Follicle-stimulating hormone (FSH) What sample is needed for follicle-stimulating hormone? It is done on the patient’s serum. Record the date of the last menstrual cycle in women. It is important to measure both FSH and LH levels. Plasma and urine are also acceptable. The sample was stable for 8 days at room temperature. 2 weeks at 4 °C. The urine sample should not contain preservatives. Storage at or below -20 °C is recommended. 3 hours of urine samples are preferred. What are the ... Follicle-Stimulating Hormone (FSH) Follicle-stimulating hormone (FSH) is a hormone that plays a significant role in sexual development and reproduction by affecting the function of the ovaries and testes. It works alongside luteinizing hormone (LH). The FSH test is one of the standard procedures used to assess fertility and diagnose conditions such as polycystic ovary syndrome and menopause. Read the article for more info about normal FSH levels in females. FSH is a type of pituitary hormone that is responsible for regulating the reproductive cycle in men and women. In assisted reproduction treatments, such as artificial insemination or in vitro fertilization, FSH drugs are used for controlled ovarian stimulation.