Hormonal Monitoring and Progesterone Adjustment in Frozen Embryo Transfer Cycles

8mg orally on daily basis for 13 days beginning with the first day of either a spontaneously or induced menstrual cycle then assess by ultrasound

Serum Progesterone, estrogen \& LH measured on day 13 after priming endometrium with 8mg estradiol valerate on a daily basis beginning as early as the first day of menstrual cycle.

Patients examined using transvaginal ultrasonography on day 13 of exogenous estrogen supplementation to measure endometrial thickness and to detect signs of escape ovulation

Progesterone supplements given in form of daily two vaginal prontogest suppositories400 mg each

Measuring the serum Progesterone \& Estradiol in the early morning on the day of embryo transfer an progesterone supplementation adjusted as follows: Group II A: If P4 levels \< 5ng/dl, one 100 mg intramuscular injection daily added, Group II B: If P4 levels 5-10ng/dl, dydrogesterone three times daily added. Group II C: If P4 levels \>10ng, continued on 400 mg prontogest suppositories twice daily

group II A: 100 mg intramuscular injection daily Group II B: If P4 levels 5-10ng/dl dydrogesterone added