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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?
  • 8 weeks ago » LolaNY11 said:
    Dropped from 98.2 at 3 dpo to 96.2 at 6 dpo and up at 97 at 7 days
  • 9 weeks ago » Carol2Butterfly said:
    9dpo temperature was 98.3° early this morning, now I'm at my normal 98.9°
  • May. 16, 2015 5:22pm » babyangel12 said:
    had a drop from 98.7 yesterday morning(9dpo) to 97.6 this morning (10dpo) not sure...
  • May. 4, 2015 2:10pm » BertsWife said:
    8 dpo and had a drop from 98.21 to 97.59 this morning. Not sure what to think.
  • May. 4, 2015 11:05am » bmaxcey87 said:
    8 dpo and my temp dropped from 98.6 to 97.7 - hoping for a BFP and for my temp to rise!
  • View All Comments...

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