Inhibin B levels as test of ovarian reserve is best measured on?
Day 2 of menstruation
Day 3 of menstruation
Day 4 of menstruation
Day 5 of menstruation
ANSWER: (B) Day 3 of menstruationREF: Novaks gyn 12th edp. 406'Cycle day 3 is chosen because at this time the estrogen level is expected to be low, a critical feature, as FSH levels are subject to a negative feedback'Tests for ovarian reserveDay of testingFSH (most commonly used)Day 3Clomiphene citrate challenge test (CCCT)Day 3Serum inhibin BDay 3Transvaginal ultrasound to assess antral follicle number or ovarian sizeAny
Pathology of Conception