Prospective evaluation of endometrial thickness as a predictor of pituitary down-regulation after gonadotropin-releasing hormone analogue administration in an in vitro fertilization program.

OBJECTIVE To determine whether pituitary down-regulation after gonadotropin-releasing hormone analogue (GnRH-a) administration can be accurately predicted by transvaginal ultrasonographic measurement of endometrial thickness. DESIGN Prospective study. SETTING An IVF unit of an academic medical center. PATIENT(S) One hundred eighty-one patients… CONTINUE READING