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When used in the early follicular phase, letrozole inhibits estrogen synthesis, thereby causing enhanced GnRH pulsatility and consequent FSH and inhibin stimulation. A variety of disorders ranging from hormonal disturbances to physical problems, to psychological problems can cause male infertility.  Although many treatment options are now available, in many cases treatment will not work.  In many instances, male infertility is caused by testicular damage resulting in an inability of the testicle to produce sperm.  Once damaged, the testicle will not usually regain its sperm-making capabilities; this aspect of male infertility is analogous to menopause (though not natural like menopause) for women and cannot usually be treated.  Despite medicine�s limited ability to treat male infertility, many successful treatment options are available for its many causes.  Besides testicular damage, the main causes of male infertility are low sperm production and poor sperm quality.   The Causes of Male Infertility Male infertility has many causes--from hormonal imbalances, to physical problems, to psychological and/or behavioral problems.  Moreover, fertility reflects a man�s �overall� health.  Men who live a healthy lifestyle are more likely to produce healthy sperm.  The following list highlights some lifestyle choices that negatively impact male fertility--it is not all-inclusive: · Smoking--significantly decreases both sperm count and sperm cell motility. · Prolonged use of marijuana and other recreational drugs. · Chronic alcohol abuse. · Anabolic steroid use--causes testicular shrinkage and infertility. · Overly intense exercise--produces high levels of adrenal steroid hormones which cause a    testosterone deficiency resulting in infertility. · Inadequate vitamin C and Zinc in the diet. · Tight underwear--increases scrotal temperature which results in decreased sperm production. · Exposure to environmental hazards and toxins such as pesticides, lead, paint, radiation, radioactive   substances, mercury,  benzene, boron, and heavy metals · Malnutrition and anemia. · Excessive stress!

Mumps, leading to orchitis (testicular inflammation), may cause secondary testicular atrophy in the small number of men infected after puberty. Microscopic Technique for Reversal of Vasectomy. (PDF, 3 MB) Surgery, gynecology & obstetrics, 1976. The fertilized eggs, now embryos, are allowed to grow and develop in culture media for typically 3 to 5 days. Low sperm mobility (motility): The sperm cannot "swim" as well as they should to reach the egg. Nevertheless, scientists have found these stem cells, which may generate new oocites in postnatal conditions. IUI is more commonly done when the man has a low sperm count, decreased sperm motility, or when infertility does not have an identifiable cause.

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859672 PPT Presentation Summary : This bill seeks to update New York state’s infertility insurance mandate to include up-to-date treatments, including in vitro fertilization (IVF), ... Information on National Infertility Awareness Week is available at .Male Infertility DOWNLOAD PDF QUICK FACTS What is it? Generally, their response to hMG ovulation induction is too brisk or delayed, and predicting whether the patient will respond easily is not possible. Once the follicles (fluid filled sacs containing the eggs) reach a mature size, an HCG injection is administered which leads to final development and maturation of the eggs. Patients with a high number of immature sperm should be evaluated for excessive exposure to heat or radiation or for infectious processes.

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Radiation therapy: This can impair sperm production. Medications, treatments, and drugs Some drugs can affect fertility in a woman. Signs and Symptoms of Infertility Signs and symptoms of infertility are often related to other underlying conditions. The restricted vision, the difficulty in handling of the instruments (new hand-eye coordination skills are needed), the lack of tactile perception, and the limited working area are factors adding to the technical complexity of this surgical approach.

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If both tubes are blocked, then in vitro fertilization (IVF) is required. Your physician will discuss these approaches to having a baby if appropriate to your particular case. The facilities available and the skills of personnel are the major determining factors for the success rate. Successful Vitrification of Bovine and Human Ovarian Tissue. (PDF, 3 MB) Reproductive BioMedicine Online, 2009. A small incision is made in the abdomen, and a thin, flexible microscope with a light at the end, called a laparoscope, is inserted through it.