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Primary infertility When a woman is unable to ever bear a child, either due to the inability to become pregnant or the inability to carry a pregnancy to a live birth she would be classified as having primary infertility. Microsurgery in Pediatric Urology. (PDF, 13 MB) The National Foundation, 1977. 42 However, none of these methods has been proven to increase pregnancy rates when used to predict timing of intercourse. Nevertheless, scientists have found these stem cells, which may generate new oocites in postnatal conditions. Investigations will be requested to prove the clinical diagnosis and to exclude other close possibilities. IVF involves removal of eggs directly from the ovary, fertilization with sperm in the laboratory, followed by transfer of the embryos directly into the uterus, thereby bypassing the tubes.

WHAT'S THE DIFFERENCE BETWEEN PRIMARY AND SECONDARY STERILITY? Coutifaris C, Myers ER, Guzick DS, et al.; NICHD National Cooperative Reproductive Medicine Network. Omitting unnecessary investigations, in particular couples, could reduce total cost of their infertility management without compromising their success rate. A majority of the results are in the normal range here which is why it is also called idiopathic sterility. A causal therapeutic approach does not exist and an important component is the prevention of hyperstimulation syndrome.

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Unexplained infertility is not the same thing as having no explanation, but rather reflects the fact that the tests performed have been normal. Conventional IVF vs ICSI (Intra Cytoplasmic Sperm Injection) for Patients Requiring Microsurgical Epididymal Sperm Aspiration (MESA). (PDF, 4 MB) Chapter from textbook, Frontiers in Endocrinology: Perspectives on Assisted Reproduction, 1994. The sperm can either be mixed with the eggs to allow normal fertilization (conventional insemination) or by injecting one sperm into each mature egg (ICSI). The Varicocele Dilemma. (PDF, 139 KB) Human Reproduction, 2001.

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Graft-versus-host Reactivity and Renal Allograft Survival in Rats Given Allogeneic Spleen Cells or Spleen Allografts.(PDF, 2 MB) Transplantation, 1976. It is an approach to disseminate the recommended medical care of infertile couple to the practicing clinicians. Motility, adhesions and focusses of endometriosis can precisely be assessed by laparoscopy with blue instillation. Tests and trials are available, but testing does not always reveal a specific cause. Clean, Intermittent Self-catheterization in the Treatment of Urinary Tract Disease. (PDF, 2 MB) The Journal of Urology, 1972. Generally, evaluation should be offered to couples who have not conceived after one year of unprotected vaginal intercourse.

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Paternal age > or = 40 years: an important risk factor for infertility. Varicoceles are repaired with surgery to block off the abnormal veins. Hence the ability to conceive a normal pregnancy decreases from when a woman is in her early 30s into her 40s. Intra-uterine insemination for unexplained subfertility. The prevalence varies widely, being less in developed countries and more in developing countries where limited resources for investigation and treatment are available [2]. Genital duct obstruction is a potentially curable cause of infertility and is observed in 7% of infertile patients. Both infertility and subfertility are defined as the inability to conceive after a certain period of time (the length of which vary), so often the two terms overlap. Insulin-sensitising drugs (metformin, rosiglitazone, pioglitazone, D-chiro-inositol) for women with polycystic ovary syndrome, oligo amenorrhoea and subfertility. 43 Other low-cost methods of monitoring for ovulation, although less effective, include basal body temperature measurements and cervical mucus changes.