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El Uso de las Espermátides en la Azoospermia. (PDF, 12 MB) Chapter 42 from Reproducción Humana, 2002. STUDIES DEMOGRAPHIC DATA EVALUATION TOPIC: FERTILITY MEASURES LECTURER: MISS ADETORO GBEMISOLA W. It is specially oriented for cancer patients, whose sperm is destroyed due to the gonadotoxic treatment they are submitted to.[70] Ovaric stem cells: it is thought that women have a finite number of follicles from the very beginning. For women, being underweight and having extremely low amounts of body fat are associated with ovarian dysfunction and infertility and they have a higher risk for preterm birth.

37,38 The addition of 1,500 to 1,700 mg of metformin (Glucophage) daily may increase ovulation and pregnancy rates, but it does not significantly improve live birth rates over clomiphene alone. The vas deferens carries sperm from the epididymis to the ejaculatory duct and the urethra.

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Source : Infertility for the Family Doctor - PPT Presentation Summary : unexplained infertility. planning assisted reproduction. ... A defect in any of these sperm structures may result in infertility that will not be detected by semen analysis.[60] Antisperm antibodies cause immune infertility.[23][24] Cystic fibrosis can lead to infertility in men. In-vitro fertilization (IVF): Sperm are placed with unfertilized eggs in a petri dish, where fertilization can take place. Calcification of the Seminal Vesicles and Vas Deferens in a Uremic Patient. (PDF, 3 MB) The Journal of Urology, 1971. Department of Health and Human Services, Centers for Disease Control and Prevention, National Center for Health Statistics. Ectopic pregnancy This is when a fertilized egg implants outside the womb, usually in a fallopian tube.

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These abnormalities can also cause irregular bleeding between menstrual cycles. Mixed gonadal dysgenesis (45, X/46, XY) Patients usually have ambiguous genitalia, a testis on one side, and a streaked gonad on the other.

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IVF treatment may be suggested if IUI is not successful or appropriate, or if female infertility is a contributing problem. The good news is that most cases of male infertility can be resolved either by treating the problem or using fertility treatments. This situation can be related to the presence of other endocrine disorders such as hyperprolactinemia, congenital adrenal hyperplasia, adrenal tumors, Cushing syndrome, thyroid dysfunction, and extreme obesity. However, varicoceles may lead to impaired testicular spermatogenesis and steroidogenesis, potentially due to an increased intratesticular temperature, reflux of toxic metabolites, and/or germ cell hypoxia as potential causes of these changes, and this appears to be progressive over time. Clinical examination Full clinical examination of both partners usually stands for the underlying physical problem [17-22,24-26], (Appendix 2). Overweight or obesity: This may reduce the chance of conceiving. Computer-aided semen analysis (CASA) Introduced in the late 1980s, CASA uses a video camera and computer to visualize and analyze sperm concentration and movement. Lack of ovulation Patients with anovulation who did not ovulate after several cycles of CC at different doses of treatment are deemed clomiphene resistant. Post-ejaculatory urinalysis (urine testing), to check for retrograde ejaculation. Common causes of infertility of females include: ovulation problems (e.g. polycystic ovarian syndrome, PCOS, the leading reason why women present to fertility clinics due to anovulatory infertility.[58]) tubal blockage pelvic inflammatory disease caused by infections like tuberculosis age-related factors uterine problems previous tubal ligation endometriosis advanced maternal age immune infertility Males[edit] The main cause of male infertility is low semen quality. If oligospermia or azoospermia is noted, hypogonadism should be suspected. In theory, it is possible to conceive on any of these 6 days that occur before and during ovulation. This pill generally is taken from menstrual cycle days 3 – 7.