BBT Luteal Phase Dip
Early pregnancy symptom
The chart
Comparison of how often this symptom is experienced by pregnant vs non-pregnant women.
After implantation (9 dpo+)
experiencing this symptom
decreases
the probability of pregnancy
Overall (during the luteal phase)
experiencing this symptom
decreases
the probability of pregnancy
About this symptom
BBT Luteal Phase Dip
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!
Includes: 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)
Summary of chart
An explanation of the affect on the probability of pregnancy for each day past ovulation or group of days.
0 dpo
Slightly decreases probability of pregnancy
1 dpo
Significantly decreases proabability of pregnancy
2 dpo
Does not significantly affect probability of pregnancy
3 dpo - 9 dpo
Slightly increases probability of pregnancy
10 dpo
Decreases probability of pregnancy
11 dpo - 18 dpo
Significantly decreases proabability of pregnancy
Detailed breakdown by DPO
Shows data for days where differences are meaningful.
| Day past ovulation | Pregnant vs non-pregnant |
|---|---|
| 1 dpo | 2.5 times less (-60%) |
| 4 dpo | 1.3 times more (+21%) |
| 5 dpo | 1.2 times more (+16%) |
| 6 dpo | 1.2 times more (+18%) |
| 10 dpo | 1.4 times less (-28%) |
| 11 dpo | 1.9 times less (-47%) |
| 12 dpo | 2 times less (-50%) |
| 13 dpo | 2.2 times less (-53%) |
| 14 dpo | 2.6 times less (-62%) |
| 15 dpo | 2.2 times less (-55%) |
| 16 dpo | 1.9 times less (-45%) |
| 17 dpo | 2 times less (-50%) |
| 18 dpo | 3 times less (-67%) |
Understanding the data
Pregnant women experience this symptom the number of times listed as often as non-pregnant. The percentage listed refers to the percentage increase or decrease between pregnant and non-pregnant.
Visit the dpo chart pages to view most common and significant positive and negative indicators of pregnancy for each day past ovulation.
Comments
What women are saying about this symptom.
porsiad 3 years ago
Currently 7dpo. This morning’s temp 97.90 and 6dpo temp was 97.4
member_316916 3 years ago
5-6dpo huge drop
AGamersWife 5 years ago
6dpo was 97.47 7dpo 97.99
