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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?
  • 5 weeks ago » OnlyMe0709 said:
    12 dpo and I have a 14 day lp. Temp normally drops the day af arrives. Bad cramps on 11 dpo, and temp dipped from 98.88 to 98.54.
  • 8 weeks ago » Goingsolo said:
    Had a massive temp dip 11 and 12dpo from 37 Celsius to 36.60 Celsius only to shoot back up to 37 degrees Celsius 13dpo when I got a bfp
  • Feb. 3, 2016 10:11pm » mrsP06 said:
    7DPO dropped from 98.45 to 97.76. 8DPO 98.04 hoping for a spike tomorrow
  • Dec. 22, 2015 5:22am » bblack44 said:
    9.dpo 98.45 drop 98.08
  • Dec. 5, 2015 12:23pm » tinaweiser2003 said:
    I had a pretty big dip today, 0.76 difference. I really hope this is implantation. Dull mild cramping, slightly sore breast
  • View All Comments...

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