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BBT Luteal Phase Dip

Very Early Pregnancy Symptom

Symptom Details

Luteal phase dip is also referred to as an "implantation dip". Defined as a drop in your basal body temperature that is equal to or greater than 0.3°F during the second half of your cycle (after ovulation). It tends to occur around the time of expected implantation (7-10 days past ovulation). It occurs more often when a women is pregnant, but can still occur during non-pregnant cycles. Even if you do not see this pattern on your BBT chart you may still be pregnant!

Comparison Chart

The chart below shows a comparison between the number of times this symptom was experienced by pregnant vs non-pregnant women.


**NOTE: Data for 15-21 dpo tends to be lower than expected as many women stop tracking symptoms after a positive pregnancy test.

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Are you experiencing BBT Luteal Phase Dip?

What Day Past Ovulation are you? Is this a new symptom?
  • 2 days ago » MeowMix said:
    I am 6 dpo, my temp dropped on day 4, and it went down to a 98.6 F, now back to 99.0 F like usual
  • 4 days ago » positivevibes said:
    5 DPO, temp dropped from 98.47° to 97.81°... HUGE shift... Why?!
  • 1 week ago » Missus Aytch said:
    5DPO - My temp dropped from 97.86 to 97.33 today.
  • 2 weeks ago » bama2012 said:
    4 dpo temp was 97.7, 5 dpo - 97.2, 6 dpo - 97.7.. Had a miscarriage on 5/12 .. Here's to hoping!!!!!!
  • 3 weeks ago » mrsS0810 said:
    10dpo and had a dip of .5, new to charting so I'll see what happens tomorrow. feels like af is coming though
  • View All Comments...

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