Rare card
Billings ovulation method
- Value
- 50 W
- Attack
- 261
- Defence
- 209
- Players
- 0
The Billings ovulation method is a method in which women use their vaginal mucus to determine their fertility. It does not rely on the presence of ovulation, but identifies patterns of potential and obvious infertility within the cycle. Its effectiveness is not very clear.
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