Test Name: Progesterone
Formal Name: Serum Progesterone
Other Names: P4, Progesterone
Follicular Phase: < 1 ng/mL. Luteal Phase: 5-20 ng/mL (Confirms ovulation if >10). Postmenopausal: < 1 ng/mL. Pregnancy: Varies widely (10-290 ng/mL).
Why Test: To confirm ovulation, monitor early pregnancy, or assess placental function.
When to Test: Infertility workup, recurrent miscarriage, or unexplained spotting during pregnancy.
Test Principle: Chemiluminescent Immunoassay.
Q1: What does low progesterone mean? A1: It may mean you did not ovulate (anovulation) or the corpus luteum is not functioning properly. Q2: Can I take progesterone supplements? A1: Yes, in cases of luteal phase defect or to support early pregnancy. Q3: W
