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You are here : 3-RX.com > Drugs & Medications > Detailed Drug Information (USP DI) > Menotropins

Menotropins (Systemic)

Brand Names : Humegon, Pergonal, human menopausal gonadotropins (hMG), human gonadotropins, menotrophin

Description and Brand Names | Before Using | Proper Use | Precautions | Side Effects

  • Gonadotropin
  • Infertility therapy adjunct

Menotropins (men-oh-TROE-pins) are a mixture of follicle-stimulating hormone (FSH) and luteinizing hormone (LH) that are naturally produced by the pituitary gland.


Use in females - FSH is primarily responsible for stimulating growth of the ovarian follicle, which includes the developing egg, the cells surrounding the egg that produce the hormones needed to support a pregnancy, and the fluid around the egg. As the follicle grows, an increasing amount of the hormone estrogen is produced by the cells in the follicle and released into the bloodstream. Estrogen causes the endometrium (lining of the uterus) to thicken before ovulation occurs. The higher blood levels of estrogen will also tell the hypothalamus and pituitary gland to slow the production and release of FSH.

LH also helps to increase the amount of estrogen produced by the follicle cells. However, its main function is to cause ovulation. The sharp rise in the blood level of LH that triggers ovulation is called the LH surge. After ovulation, the group of hormone-producing follicle cells become the corpus luteum, which will produce estrogen and large amounts of another hormone, progesterone. Progesterone causes the endometrium to mature so that it can support implantation of the fertilized egg or embryo. If implantation of a fertilized egg does not occur, the levels of estrogen and progesterone decrease, the endometrium sloughs off, and menstruation occurs.

Menotropins are usually given in combination with human chorionic gonadotropin (hCG). The actions of hCG are almost the same as those of LH. It is given to simulate the natural LH surge. This results in ovulation at an expected time.

Many women choosing treatment with menotropins have already tried clomiphene (e.g., Serophene) and have not been able to conceive yet. Menotropins may also be used to cause the ovary to produce several follicles, which can then be harvested for use in gamete intrafallopian transfer (GIFT) or fertilization (IVF).


Use in males - Menotropins are used to stimulate the production of sperm in some forms of male infertility.

Menotropins are to be given only by or under the supervision of your doctor. It is available in the following dosage form:

  • Injection (U.S. and Canada)

Brand Names

Some commonly used brand names are:

In the U.S. -

  • Humegon
  • Pergonal

In Canada -

  • Humegon
  • Pergonal

Other commonly used names are human menopausal gonadotropins (hMG) , human gonadotropins , and menotrophin .


Next section


Menotropins: Before Using

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