Diagnostic tests suggesting ovulatory dysfunction

Absence of a 0.5°F rise on measurement of basal body temperature

Low value (<2 ng/mL) of midluteal phase serum progesterone concentration

Lack of an LH surge on monitoring urinary LH excretion

Out of phase timed endometrial biopsy

Lack of a periovulatory follicle on serial transvaginal sonography

LH: luteinizing hormone.

Source: Practice Committee of the American Society for Reproductive Medicine. Use of clomiphene citrate in women. Fertil Steril 2003; 80:1302.

Graphic 62767 Version 4.0