faf672b3_ng_to_Conceive___Pregnancy_org__Description
[Test] Progesterone Blood Test [Description] 
This test is performed one week after the suspected date of ovulation. (on or around the 21st day). The progesterone in your blood is measured to confirm that ovulation has taken place. If there is a high level of progesterone in your blood, there is a good chance that you ovulated.
Ovulation | Trying to Conceive | Pregnancy.org
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