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To examine the sperm motility in the cervical mucus, the postcoital test is made. Primary infertility is when a couple has not conceived after trying for at least 12 months without using birth control Secondary infertility is when they have previously conceived but are no longer able to. Laboratory studies have suggested that long-term acetaminophen use during pregnancy may affect fertility in males by lowering testosterone production.

Diagnosis Male infertility is usually diagnosed by a semen analysis. Specialized semen analysis, including genetic testing of the sperm (looking for the presence of antibodies) and evaluation of immobile sperm (to see if they are dead or alive). Chronic conditions: These include AIDS or cancer.

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Sperm count often returns to normal after stopping the medication. Microscopic Vasovasostomy and Spermatogenesis. (PDF, 1 MB) The Journal of Urology, 1977. Often, varicoceles or past infections such as mumps orchitis are the cause of sterility. Leydig cell function is impaired, and most patients are infertile due to primary testicular failure. Microscopic Vasectomy Reversal 30 Years Later: A Summary of 4010 Cases by the Same Surgeon. (PDF, 295 KB)Journal of Andrology, 2004.

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A penile exam should detect atrophy, tumors, epididymal cysts, cryptorchidism (undescended testicles), vas thickening or absence of the vas deferens, hydrocele (fluid accumulation in the testis or along the spermatic cord) or varicocele. Myotonic dystrophy This is an autosomal dominant defect in the dystrophin gene that causes a delay in muscle relaxation after contraction. Charting of the menstrual cycle may be done by hand, or with the aid of various fertility monitors. Diagnostic evaluation of the infertile female: a committee opinion. This was set up on 1 August 1991 following a detailed commission of enquiry led by Mary Warnock in the 1980s A similar model to the HFEA has been adopted by the rest of the countries in the European Union. For a woman to conceive, certain things have to happen: vaginal intercourse must take place around the time when an egg is released from her ovary; the system that produces eggs has to be working at optimum levels; and her hormones must be balanced.[54] For women, problems with fertilisation arise mainly from either structural problems in the Fallopian tube or uterus or problems releasing eggs.

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If an endocrinopathy, such as hyperprolactinemia, is diagnosed, the underlying cause should be treated. Whether it should be corrected in cases of primary infertility is controversial. El Uso de las Espermátides en la Azoospermia. (PDF, 12 MB) Chapter 42 from Reproducción Humana, 2002. Predominantly anovulation is caused by hormonal imbalances such as Polycystic Ovarian Syndrome (PCOS) but ovarian scarring and premature menopause can also result in failure to ovulate. • Tubal disease, comprising anything from mild adhesions to complete blockage of the fallopian tubes, prevents fertilised eggs from travelling from the site of fertilisation to the uterus. The man must be producing healthy sperm in quantities large enough to fertilize an egg cell. Causes of Sterility in Men Image: “Colorized sperm sample under the light microscope” by Bobjgalindo.