Pregnyl Dosage

For intramuscular use only. The dosage regimen employed in any particular case will depend upon the indication for the use, the age and weight of the patient, and the physician’s preference. The following regimens have been advocated by various authorities:

Prepubertal cryptorchidism not due to anatomical obstruction. Therapy is usually instituted in children between the ages of 4 and 9.

1. 4,000 USP Units three times weekly for three weeks.
2. 5,000 USP Units every second day for four injections.
3. 15 injections for 500 to 1,000 USP Units over a period of six weeks.
4. 500 USP Units three times weekly for four to six weeks. If this course of treatment is not successful, another series is begun one month later, giving 1,000 USP Units per injection.

Selected cases of hypogonadotropic hypogonadism in males.

1. 500 to 1,000 USP Units three times a week for three weeks, followed by the same dose twice a week for three weeks.
2. 4,000 USP Units three times weekly for six to nine months, following which the dosage may be reduced to 2,000 USP Units three times weekly for an additional three months.

Induction of ovulation and pregnancy in the anovulatory, infertile woman in whom the cause of anovulation is secondary and not due to primary ovarian failure and who has been appropriately pretreated with human menotropins.

(See prescribing information for menotropins for dosage and administration for that drug product.)

5,000 to 10,000 USP Units one day following the last dose of menotropins. (A dosage of 10,000 USP Units is recommended in the labeling for menotropins.)