Urofollitropin is a purified form of follicle-stimulating hormone

Follicle-stimulating hormone

Follicle-stimulating hormone is a hormone found in humans and other animals. It is synthesized and secreted by gonadotrophs of the anterior pituitary gland. FSH regulates the development, growth, pubertal maturation, and reproductive processes of the body. FSH and Luteinizing hormone act...

 that is manufactured by extraction from human urine and then purified to remove various proteins and other substances. FSH is important in the development of follicles (eggs) produced by the ovaries

Ovary

The ovary is an ovum-producing reproductive organ, often found in pairs as part of the vertebrate female reproductive system. Ovaries in anatomically female individuals are analogous to testes in anatomically male individuals, in that they are both gonads and endocrine glands.-Human anatomy:Ovaries...

. Given by subcutaneous injection, it is used in combination with human chorionic gonadotropin

Human chorionic gonadotropin

Human chorionic gonadotropin or human chorionic gonadotrophin is a glycoprotein hormone produced during pregnancy that is made by the developing embryo after conception and later by the syncytiotrophoblast .. Some tumors make this hormone; measured elevated levels when the patient is not...

 (hCG) to assist in ovulation

Ovulation

Ovulation is the process in a female's menstrual cycle by which a mature ovarian follicle ruptures and discharges an ovum . Ovulation also occurs in the estrous cycle of other female mammals, which differs in many fundamental ways from the menstrual cycle...

 and fertility

Fertility

Fertility is the natural capability of producing offsprings. As a measure, "fertility rate" is the number of children born per couple, person or population. Fertility differs from fecundity, which is defined as the potential for reproduction...

. It is also used with in vitro fertilization methods. The dosage is adjusted to each individual's response.

Its side effects include breast tenderness, mild diarrhea

Diarrhea

Diarrhea , also spelled diarrhoea, is the condition of having three or more loose or liquid bowel movements per day. It is a common cause of death in developing countries and the second most common cause of infant deaths worldwide. The loss of fluids through diarrhea can cause dehydration and...

, nausea, or vomiting, shortness of breath, constipation and hot flashes, increased risk of uterine carcinoma and birth defects if you are pregnant while taking the drug.
Brand Names / Manufacturers=

• Bravelle - Ferring Pharmaceuticals Switzerland

http://www.ferringfertility.com/medications/bravelle/

• Fertinex Scherring-Plough Kenilworth NJ USA

http://www.follistim.com/consumer/index.asp

• Fostimon non US Institut Biochemique SA - Switzerland

http://www.ibsa.ch/welcome-intl/products-fertility-fostimon-intl.htm

• Fostine - CIMS India

http://www.mims.com/India/drug/info/FOSTINE/FOSTINE%20vial