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Gynaecology & Obstetrics General 881330ed

Time of ovulation is detected by all EXCEPT:September 2012

A
Urine LH
B
Urine FSH
C
Serum progesterone
D
Basal body temperature
High-Yield Explanation
Ans. B i.e. Urine FSHPhysiologyBest predictor of ovulation: Pre-ovulatory rise in LHIn normal menstrual cycle, progesterone is secreted by: Corpus luteumInhibin is secreted by: Graffian follicleLH precedes ovulation by: 24 hours (Ovulation coincides with LH surge)Ovulatory period: Corresponds to 14 days before next menstruationFSH stimulates: Growth of granulosa cells (measure of ovarian reserve)LH stimulates: Follicle rupture and ovulation.

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