Bbt drop 4 days after ovulation

Traditionally the BBT method requires time and dedication, Natural Cycles takes the guesswork out and helps you plan or prevent pregnancy hormone-free. The basal body temperature (BBT) method – a.k.a the temperature method – is a type of natural family planning that tracks your body’s temperature to help determine when you are ovulating.

Pregnancy Week 37. Pregnancy Week 38. Pregnancy Week 39. Pregnancy Week 40. Pregnancy Week 41. Pregnancy Week 42. My BBT usually slowly increases over 10 days and then slowly decreases 3 days before AF. This morning though, was the first time I have ever had a dip 4 DPO in a year of tracking my BBT.BBT after miscarriage. D. Dannesi1210. Sep 2, 2020 at 5:08 AM. I would like to get pregnant again after this miscarriage. Still kind of going thru the process of the miscarriage currently. My BBT has been steadily declining not at base line temp yet but below my normal ovulation temps.Yes. If you have successfully ovulated you will start to produce progesterone which will increase your BBT. It might happen quickly or it might take a few days in some cases (slow rise) but it should happen. 4. Reply. dandelionwine14. • 1 yr. ago. Agreed! I have ovulated where the temps didn't follow the "rules" of a temp shift (slow ...The rise of BBT results from the thermogenic effect of progesterone. During the follicular phase of the menstrual cycle, BBT keeps in the lower range, generally between 97.0 and 98.0°F, until approximately 1 day before ovulation, when BBT reaches its lowest point (nadir, or dip). After ovulation, the corpus luteum begins to secret progesterone.Ovulation is the key factor in conceiving a child, and if the lifespan of the sperm doesn’t overlap with the day of ovulation, it’s impossible to get pregnant. Fertile days are calculated in relation to the day of ovulation, including the 5 days prior to, the day of, and the day after ovulation (7 days total).A: Your temperature usually increases by at least 0.2 degrees 1-2 days after ovulation. Sometimes the temperature may drop the day of ovulation, but not always. So you cannot rely on a single day's measurement to indicate ovulation. Read More: Due Date Calculator Ovulation Calendar Ten Tips to Get Pregnant Faster

A: Ideally your temperature stays up 12-16 days after ovulation. Some doctors say anything over 10 days is acceptable, but it really makes sense to test for luteal phase defect if one typically shows 12 days or less of high temperatures. You can test for luteal phase defect with a serum progesterone level and/or an endometrial biopsy.The very earliest you would notice pregnancy symptoms would be after implantation, which usually occurs 8 - 10 days after ovulation. But most women don't notice any pregnancy symptoms until a week or two after their period was due. On the other hand, there's a lot going inside your body after ovulation. Your egg is released into the ...About one day before ovulation, BBT typically dips about 0.5 degrees to its lowest point (on average, 97 to 97.5 degrees F). Ovulation. Once you ovulate - around day 14 of your menstrual cycle - progesterone production causes a rise above your baseline BBT of 0.5 to 1.0 degrees F. Luteal phase. BBT stays high throughout much of this phase ...Therefore, Choi explains, BBT is most useful for women with very predictable menstrual cycles and for women who "don't mind the tedium of monitoring daily temperatures for a week or two at a time each month until they can chart a regular pattern.". On the other hand, Choi says OPKs are useful at figuring out when ovulation is going to occur.Implantation typically occurs 6-12 days after ovulation/fertilization, although some sources give it a wider range of 5-14 days. The average is 8 or 9 days after ovulation/fertilization. ... There is a small possibility but typically your egg will drop around 2 weeks after your period. The egg is only viable for 24 hours; the sperm can stay ...

Beyond the calendar, you can also look for ovulation signs and symptoms, including: Change in vaginal secretions (cervical mucus). Just before ovulation, you might notice an increase in clear, wet and stretchy vaginal secretions. Just after ovulation, cervical mucus decreases and becomes thicker, cloudy and less noticeable.Before ovulation occurs, the initial body temperature ranges from 36.1 to 36.3 degrees. This is due to the presence of estrogen, which slows the rate of increase in temperature. After the release of the egg, the rate rises to a new, higher level, usually ranging from 36.4 to 36.6 ° C. Over the next 24 hours, the temperature usually rises not ...How to record your basal body temperature chart. Take your temperature on waking after at least 3 hours of sleep. Take your temperature immediately on waking, without getting up or moving about too much. Try to take your temperature at the same time each day as well, or your reading may not be accurate. If the time varies please make note of ...Basal body temperature is the lowest temperature a woman's body reaches in a 24-hour period, usually when sleeping or first thing in the morning while still at rest. The basal body temperature indicates how well your body's metabolism is running.. This measurement is done first thing in the morning, before moving or talking, as any activity can affect your results.

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May 6, 2021 · Most women’s basal body temperature is between 97 to 97.5 degrees Fahrenheit before ovulation; after ovulation, it typically ranges from 97.6 to 98.6 F. But other factors can impact basal body ... Your BBT increases just after ovulation, so by recording it each day for a few cycles, you can learn when you tend to ovulate. But …Updated on June 12, 2020. A temperature drop in the basal body temperature BBT chart about a week or so after ovulation could well mean that there was implantation and pregnancy has occured. Implantation is supposed to happen about a week after ovulation so your timing yesterday was perfect for implantation, the attachement of the fertilized ...There is a 0.3–0.5 °C (0.5–1.0 °F) rise in basal body temperature immediately after ovulation during the menstrual cycle (see Chapter 3 ). A special basal body thermometer with a 96° to 100 °F range is used. Temperature should be measured soon after awakening in the morning, before becoming active or eating.According to Medical News Today ' Implantation typically happens 6-12 days after fertilization. Next, your body will start to produce the pregnancy hormone human chorionic gonadotropin (hCG). This is what gives a positive pregnancy test, and it also contributes to early pregnancy symptoms, like nausea, sore breasts and fatigue.

The BabyMed FertilChart™ Basal Body Temperature BBT chart and charting tool makes it easy to start a FREE fertility and temperature basal body temperature chart, calculate important fertility dates, find out if you ovulate or not, and see pregnancy temperature charts. Before you start charting, please read first our Charting 101 Page.What's a normal basal body temperature? Before ovulation, your BBT may range from about 97 to 98 degrees F (97.2 to 97.7 degrees F, to be more exact). But the day after you ovulate, you should see an uptick of 0.5 to 1.0 degree in your BBT, which should last until about your next period.Even with a slow rise, a temperature pattern usually becomes apparent after a few days. It can be helpful to consult with other fertility signs such as cervical mucus and cervical position. Ovulation is most likely to occur on the last day of fertile cervical mucus. But with a slow rise it can sometimes be difficult to pinpoint the exact day of ...Let's have the conversation ‒ but first, a quick recap of some useful TTC acronyms: TTC: Trying to conceive. TWW: Two-week wait between ovulation and your next expected period. DPO: Days past ovulation. BFP: Big fat positive. BFN: Big fat negative. For the full list, head here. So 5 DPO is 5 days post ovulation.Once you’ve taken several tests, you should be able to identify a spike in your levels of LH. For most women, this surge in LH is a sign that ovulation should occur within the next 24-36 hours. Together with your partner, you can use this information to plan intercourse on the days that you are the most fertile.Natural family planning is a way of preventing pregnancy. The 2 main types of natural family planning involve: tracking periods to see when you're most fertile and avoiding sex or using condoms on those days (fertility awareness method) breastfeeding your baby for up to 6 months to delay ovulation (lactational amenorrhoea method) Withdrawing ...Aug 11, 2013. #1. So I had a big temp drop at 4dpo which was a secondary estrogen surge and my temp went back up high the next day. Then today, 2 days after the first bbt temp, I had another big temp drop at 6dpo. I usually always get a estrogen surge around 3-4dpo but the only time I've ever had a temp dip at 5-6dpo was when I was last ...In the period after ovulation, the BBT rises and only drops a short time before your periods begin. Your BBT may drop without periods due to an implantation dip, estrogen surge, or a substantial alteration in the external surrounding you. Your BBT or basal body temperature is the temperature your body assumes when you are resting.Aug 25, 2020 · A triphasic chart is a basal body temperature (BBT) chart with three distinct temperature rises. (More on this below.) This pattern is thought to be a possible sign of pregnancy, and because of this, these kinds of charts are deeply coveted across the fertility charting community. Getting this pattern on your own chart can lead to hopes for a ... Some people experience signs and symptoms of ovulation. These can include abdominal pain or cramps, bloating, slightly elevated body temperature, changes in cervical mucus and saliva, and breast ...

Sarahmt19. Mar 4, 2015 at 8:14 PM. If you had a progesterone level checked after af showed, of course the result is going to be low. That drop in progesterone is what triggers your period to start. It doesn't necessarily mean you didn't ovulate, but maybe have a short LP. Definitely something to discuss with your dr.

An implantation dip is generally accepted as when BBT decreases during the luteal phase, typically 5-8 days into the temperature shift. It drops a noticeable amount, but only for a single day. Some groups write off implantation dips because there are plenty of factors affecting your BBT, including, but not limited to,After a (gradual) dip and then rise earlier in the cycle, my temp has been very level the past 3 days. Today (CD13) it suddenly plummeted 0.4 degrees (Fahrenheit). It's not unreasonably low (it was this low maybe a week ago), but the sudden drop surprised me.BBT is used by Clue to assess when ovulation has occurred. However, BBT alone cannot predict when ovulation will occur in the future. BBT is slightly lower in the follicular phase (the first half of the menstrual cycle), and rises after ovulation and stays raised throughout the luteal phase (the second half of the menstrual cycle) (2,3).Mucus, Temperature, and Ovulation . Usually, fertile cervical mucus—a watery to raw egg-white like vaginal discharge—will precede ovulation. If you're charting your basal body temperature, and ovulation occurred, you'd expect to see a sustained temperature rise within a few days of seeing your most fertile cervical mucus.A biphasic pattern shows ovulation. This means 3 temps in a row all higher than all of the previous 6 confirm ovulation on the last day of the low set of temps, and that stay high until a period (10-16 days later) or a positive pregnancy test (8-12 days later). So a high temp (spike) followed by low temps in the same range as before means nothing.yes. So you dipped .4 below the previous day, and it rose back up the next day. Could very well be implantation. If it was less than .4 it's considered normal fluctuation. Now you should hopefully see it continue to rise higher than your earlier after ovulation temps. This of course doesn't confirm you are for sure implanted, but it's a ...Slow Rise Question. I consistently have a slow rise BBT after ovulation. Usually takes around 4 days for my BBT to spike. I also use standard OPKs and the ClearBlue Advanced, and those methods always give me a peak reading on CD11-12, along with copious EWCM and changes in my sex drive. I highly doubt I'm getting O day wrong, so is a slow ...

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Aug 2, 2016 · Basal body temperature doesn’t always rise the day after ovulation. Contrary to popular belief, basal body temperature doesn’t always rise immediately after you ovulate. According to a study that compared BBT readings with ultrasound —the gold standard in confirming ovulation—only 11 percent of women have a basal body temperature rise ... I’m 5 weeks+ 4 days with my first pregnancy ever at age 31. I’ve been temping for the last year or so trying to conceive. I continued to temp after I found out I was pregnant 10 days ago. I’m worried because my temp has dropped the last three days. I’m still over a degree higher than pre-ovulation but the drop SEEMS to be continuing.July 2012. This was only my first month charting, however, my temp continued to slowly rise up until AF. I'm only on CD 4 and it has slowly started going back down to my normal pre-O temps, but I never saw a dip before AF like most people tend to see in their charts. BFP 7.24.13 ~ EDD 4.2.14 ~ m/c 9.16.13 @ 11w4d.Aug 11, 2013. #1. So I had a big temp drop at 4dpo which was a secondary estrogen surge and my temp went back up high the next day. Then today, 2 days after the first bbt temp, I had another big temp drop at 6dpo. I usually always get a estrogen surge around 3-4dpo but the only time I've ever had a temp dip at 5-6dpo was when I was last ...Key Takeaways. Tender breasts and sore nipples can be early signs of pregnancy, but may also occur around ovulation regardless of pregnancy. Fatigue and frequent urination may begin around 10 days past ovulation (DPO) and continue throughout pregnancy.This can be frustrating, so try to go easy on yourself. If you feel queasy at 17 DPO, it could also be early onset pregnancy nausea and sickness. This is caused by changes in your hormone levels and a rise in your hCG levels. Many people start noticing this a few weeks into their pregnancy.After ovulation, your BBT will eventually drop back down again to your baseline temperature when your period starts. However, if you get pregnant, your BBT will stay elevated . So, if you’ve noticed a raised temperature for 18 days or more , it could be one of the very early signs of pregnancy .The higher levels of progesterone released by the corpus luteum after ovulation raise BBTs. After ovulation, the temperature will be raised by at least 0.2 °C (0.4 °F), for at least 72 hours, compared to the previous six days. The rise in temperatures can most commonly be seen the day after ovulation, but this varies and BBTs can only be used ...Definitely get a thermometer made for bbt. I don't think a forehead thermometer would be reliable at all because our skin temp can change so easily with the temp of your room (unless it made for bbt temping like an Ava bracelet or temp drop bracelet.) Another thing that can help with pinpointing ovulation is lh testing (although this just ...If cd 3 was ovulation - the temps show a very standard a usual temp patterns - where there is a fauxvulation rise, then ovulation drop - than ovulation rise that goes even higher a few days later with an estrogen dip that happens around 4-6 DPO. ….

We should finally feel some relief on home and car prices in 2023. They say that everything that goes up, must come down—but inflation has made that hard to believe last year. Whil...Sep 17, 2020 · To be considered a dip, there had to be a temperature drop of at least 0.17℃ (0.3℉) 5-12 days after ovulation. Fertility Friend found: In the pregnant cycles showing a temperature dip, the most likely time frame was 7-8 days after ovulation in the luteal phase. Approximately 75% of pregnancy charts didn’t have a dip. Template:BirthControl infobox Basal body temperature is the body temperature measured immediately after awakening and before any physical activity has been undertaken. In women, ovulation causes an increase of one-half to one degree Fahrenheit (one-quarter to one-half degree Celsius) in basal body temperature (BBT); monitoring of BBTs is one way of estimating the day of ovulation.BBT is used by Clue to assess when ovulation has occurred. However, BBT alone cannot predict when ovulation will occur in the future. BBT is slightly lower in the follicular phase (the first half of the menstrual cycle), and rises after ovulation and stays raised throughout the luteal phase (the second half of the menstrual cycle) (2,3).Jun 12, 2023 · BBT rises in the second half of the cycle (after ovulation), this is due to the presence of the hormone progesterone. The best time to take your temperature with an oral basal body thermometer is after at least three hours of consecutive sleep, before you get out of bed to go to the bathroom, cuddle your partner, take a drink of water, or fall ... To be considered a dip, there had to be a temperature drop of at least 0.17℃ (0.3℉) 5-12 days after ovulation. Fertility Friend found: In the pregnant cycles showing a temperature dip, the most likely time frame was 7-8 days after ovulation in the luteal phase. Approximately 75% of pregnancy charts didn’t have a dip.Here are my main takeaways from what happened as the Fed, Treasury Secretary spoke. The much-anticipated Federal Open Market Committee meeting's interest-rate decision produced a v...If you follow your investments closely and see one or more of your stock prices drop today, don't panic. Price drops often occur because of macroeconomic issues, not problems direc...Basal body temperature (BBT) method. The basal body temperature method is based on the slight increase in the body temperature of women at rest by about 0.3-0.5°C during and after ovulation, due to the action of an increased level of progesterone secreted by the corpus luteum. The rise in body temperature sustained for three consecutive days ... Bbt drop 4 days after ovulation, Some women may start to experience mild symptoms at 4 DPO but it’s more likely that you’ll need to wait a few weeks. The earliest symptoms of pregnancy you may start to notice include: Cramps ..., After ovulation, a woman's average BBT is between 97.6 and 98.6 degrees Fahrenheit (between 36.4 & 37 degrees Celsius). This BBT chart shows how a woman's BBT can change after ovulation: As you can see, the shift in BBT after ovulation is very subtle — in fact, BBT may change by as little as 0.1 degrees Fahrenheit!, The luteal phase: Between days 14 and the end of your cycle, you enter your luteal phase. It starts after ovulation, which is when one of your ovaries releases an egg. Following this, your progesterone levels rise. At 14 DPO, you're at the very end of your luteal phase. This means that if you did get pregnant this cycle, a fertilized egg ..., Key takeaways. 5 DPO is generally too early for pregnancy symptoms to be detected because implantation (when the embryo attaches to your uterine lining) hasn't happened yet. This doesn't necessarily mean you won't get pregnant though. Confusingly, your monthly menstrual cycle and early pregnancy can share some pretty similar symptoms, and ..., The normal basal body temperature on the 5 DPO is approximately 0.3-0.5 °C (0.54–0.9 °F) higher than the average temperatures that were before ovulation. Let us assume it is BT 36.4 °C (97.52 °F) in the first phase, and in the second 36.7-36.9 °C (98.06-98.42 °F). This is a good difference and that means there is progesterone., BBT Rise Before Ovulation & Drop Right After. momstar Regular. Nov 3, 2020 12:08PM in Trying to conceive. Hi everyone, I need help. My cycle just got back to its regular 23-ish day length after a miscarriage on August 4th. It's been a roller-coaster During that pregnancy, the doctor noted a 2cm cyst on my left ovary and a uterine fibroid of ..., 4 DPO: What to expect. First up, let’s look at what DPO means because when we’re new to trying to conceive, there’s a lot of terminology to get our heads around. DPO is one of the many fertility …, Implantation Dip And Why It's Not Reliable. Implantation dip is a decrease in BBT by at least 0.3 degrees that occurs about a week after ovulation, roughly around the time of implantation, or the ..., Implantation occurs in the mid to late stages of the luteal phase, which is about 6 to 12 days after ovulation. For those with a 28-day menstrual cycle, this would be between days 20 to 26 of your cycle. One of the earliest signs of pregnancy is an increase in BBT that occurs after implantation, as progesterone levels rise to support a ..., The start day of the luteal phase depends on the day ovulation takes place, and even in a typical 28-day cycle, there is often variation in when exactly ovulation takes place. Although the most common day of ovulation is day 15 of the menstrual cycle, a study by Soumpasis et al (2020) 1 found that within cycles lasting 28 days, the actual day ..., BBT Temp drop after positive OPK. Hey fellow TTCers! Today marks CD2 of TTC Cycle 6! I was feeling pretty down the last couple days, and I’m now determined that this is our month! I’ve been wondering how accurate my OPKs have been, and in looking back, my BBT has dropped 1-2 days post ovulation based on the Premom app (so 2-4 days after my ..., Then, 24 hours after the egg's release, your temperature rises and stays up for several days. Before ovulation, a woman's BBT averages between 97 °F (36.1 °C) and 97.5 °F (36.4 °C). After ovulation, it rises to 97.6 °F (36.4 °C) to 98.6 °F (37 °C). You can track your cycle by taking your BBT every morning. Take your temperature at the ..., Having pregnancy symptoms at 4 DPO is very rare compared to 9, 12, or 13 DPO. Since the implantation takes place between 6 DPO - 8 DPO, subsequently, a rise of hCG occurs. You might experience symptoms of pregnancy on 4 DPO, but very unlikely. By 4 DPO, you might experience the following signs that usually occur 12 days past ovulation or 12 ..., If a person has a temperature dip right before their period, is this say..around 1-3 days before your period ? Or ? (My cycle starts on the 8/9th normally but it was late by a few days last cycle. ) It's our first official ttc cycle and kind of just want a heads up on what to possibly expect concerning temperatures and after flow., The 0.5 Fahrenheit is a rather small difference between fertile and non-fertile days. Moreover, BBT increases after ovulation happens. It captures your last 12 hours of the fertile window out of the 5 - 6 fertile days per cycle. If used properly, BBT confirms ovulation but doesn't predict ovulation., May 2019. It isn't uncommon to not have symptoms at 4 weeks. That usually kicks in at week 5-7. Or you could be lucky and not have symptoms with this pregnancy. Hopefully you can get some more bloodwork ran and get some reassurance that everything is ok. didycasagrande member. May 2019., Bbt drop AFTER ovulation?? QUESTION. I have a typical temp of 97.4 on average. It raised the day before yesterday to 98.6. I'm pretty sure that's when I ovulated. This morning it dropped to 96.7! I'm also exhausted and have a killer headache. I took a drink with electrolytes such as magnesium last night before bed, so I mention that in case it ..., Before ovulation, your BBT will be relatively low, but after ovulation, it will rise by about 0.5-1 degree Fahrenheit and remain elevated until your next period. This rise in temperature is a clear sign that ovulation has occurred. Pregnancy: If conception occurs, your BBT will stay elevated for more than two weeks after ovulation., During the regular 28-day menstrual cycle, the normal body temperature is around 36.5 ° C. Just before ovulation, your temperature is likely to drop to 36.2 ° C. This is normal for this to happen during the 13-14 days of the cycle., Cramping that happens immediately following ovulation is usually referred to as mid-cycle ovulation pain or Mittelschmerz. Most doctors say that cramping up to 2 days or 48 hours after ovulation is Mittelschmerz. The cramping should only be mild like light twinges, not severe cramping pain. Cramping 3, 4, or 5, Days After Ovulation, If you didn't conceive during the current cycle, basal body temperature will dip again roughly 10 to 14 days after ovulation. This dip usually coincides with the start of your next period. Does BBT drop after ovulation if pregnant? After the female egg cell is released at ovulation, BBT increases to between 97.6°F (36.4°C) and 98.6°F (37°C)., I'm 5 weeks+ 4 days with my first pregnancy ever at age 31. I've been temping for the last year or so trying to conceive. I continued to temp after I found out I was pregnant 10 days ago. I'm worried because my temp has dropped the last three days. I'm still over a degree higher than pre-ovulation but the drop SEEMS to be continuing., Prior to him, they used to be pretty consistent, 28/29 days, 5 days bleeding, no harsh symptoms, etc. But then after my son, they varied from 27 days to 32 days normally. This particular cycle I didn't even ovulate until day 18, POSSIBLY day 21. Day 18 Mira made it seem like I ovulated but my BBT shower CD21 for ovulation., I feel like there was an obvious dip of 36.04 the day before O, then yesterday it at 2DPO it seemed higher, although didn’t seem highly enough for post ovulation at 36.41 and now today at 3DPO it’s only 36.27. I feel like my temps are really low. All of my opks this mont showed that I ovulated so I just don’t know. Original poster's ..., After studying thousands of BBT charts, I have found that the BBT ranges from 96.6° to 98.2°F prior to ovulation, and from 97.6° to 99.2°F after ovulation. In all but 10 to 15 patients I have studied thus far, the preovulatory temperature was less than 98° and the postovulatory temperature was greater than 98°., Estrogen, which controls the events of this phase, lowers your basal temperature. Before ovulation, many women record basal temperatures between 97°F (36.1°C) and 97.5°F (36.4°C). Right after ovulation, you’ll see a slight upward shift of about 0.9 °F (0.2 °C) in your BBT chart. This begins the luteal phase of your menstrual cycle., Jun 23, 2022 · Ovulation. Shortly after ovulation, your basal body temperature (BBT) rises to a few tenths of a degree. This sudden increase in temperature is due to the increase in progesterone production following ovulation. A rise in basal body temperature due to ovulation lasts for a few days (three days or more). You are able to identify this increase in ... , There are only about 5-7 fertile days in the menstrual cycle, and if you are looking to conceive, it is best to try 2-3 days before ovulation, or the day of ovulation. Your BBT then drops again when your hormones drop and you are about to get your period, (usually the day before or the morning of). And then the cycle starts all over again., If your basal temperature stays high for 18 days or more after ovulation, it could be first signal for pregnancy - be careful and test for pregnancy. Basal temperature stays high during whole pregnancy. If you miss your period - check basal temperature for 2-5 days - if it is high (37.2 C - 37.4 C), it could be pregnancy (98% ..., To be considered as a luteal dip, charts had to show a significant temperature dip that lasted a single day, occurring between 5 and 12 days past ovulation. The dip is identified automatically by Fertility Friend pregnancy monitor. Please note that the exact pattern is identified specifically by the pregnancy monitor Luteal Dip detector., Key takeaways. 5 DPO is generally too early for pregnancy symptoms to be detected because implantation (when the embryo attaches to your uterine lining) hasn't happened yet. This doesn't necessarily mean you won't get pregnant though. Confusingly, your monthly menstrual cycle and early pregnancy can share some pretty similar symptoms, and ..., Expected time frame for ovulation. Restarting ovulation after hormonal birth control can take a few days to a few months. [1,3] The good news is that there are no reports of birth control use impacting fertility, even if you've been on birth control for years.[1-2] So if you are hoping to get pregnant soon, you don't need to worry about your previous birth control method impacting your ..., BBT will remain elevated during pregnancy: Although BBT often remains elevated during pregnancy, it isn't a definitive indicator. Hormonal fluctuations, implantation dips, and other factors can cause your BBT to drop even if you're pregnant. An implantation dip means you're pregnant: An implantation dip is a one-day drop in BBT that can ...