Why Do I See Ferning After My Ovulation Period?

The ferning pattern should decrease after ovulation, but if it starts to increase again for 5-6 consecutive days, it could be a sign of pregnancy or a persistent corpus luteum (the cyst that released the egg). This is because the main pregnancy hormones in the first few months are estrogen and progesterone. It’s possible that this persistent ferning is due to the estrogen of an early pregnancy. You will need to do a urine pregnancy test to confirm or see your doctor. Urine and blood pregancy tests can be positive 3 to 4 days before an expected period.

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