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Male and female factors can exist in isolation or combination and fertility investigations, diagnoses and treatment should always be considered in the context of the couple.       Male factor Sperm problems will contribute to about 40% of infertility cases. Such tissue growth and its surgical removal can cause scarring and prevent fertilization.  Uterine and cervical causes  Problems in the uterus or cervix may also affect fertility. Ovarian Transplantation in a Series of Monozygotic Twins Discordant for Ovarian Failure. (PDF, 188 KB) The New England Journal of Medicine, 2007. 7 million women reported impaired ability to get pregnant or carry a baby to term. Normal Pregnancies Resulting from Testicular Sperm Extraction and Intracytoplasmic Sperm Injection for Azoospermia Due to Maturation Arrest. (PDF, 6 MB) Fertility and Sterility, 1996. Most couples skip the invasive laparoscopic surgery and do treatments with intrauterine inseminations and then IVF if inseminations are not successful.

As the amount of adipose tissue increases, there is more aromatase available to convert androgens, and serum estradiol levels increase. After stimulation, the physician surgically extracts one or more eggs from the ovary, and unites them with sperm in a laboratory setting, with the intent of producing one or more embryos. Apparently there are only 0,014% of them (this could be an explanation of why they were not discovered until now).

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Chronic conditions: These include AIDS or cancer. Unexplained causes of infertility and sterility Unfortunately, a basic fertility analysis cannot provide an answer for all causes of infertility and some remain unexplained. First Fallopian Tube-Ovary Transplant Carried Out. (PDF, 2 MB) Welcome Trends in Ob/Gyn, 1985. Many of the same surgeries performed in humans can be applied to animal cases – everything from an egg-bound tortoise to a German Shepherd can benefit from MIS.

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The rising number of obese individuals may be due in part to an energy-rich diet as well as insufficient physical exercise.  In addition to other potential health risks, obesity can have a significant impact on male and female fertility. Regrettably, this often leads to untruly high expectations of assisted reproduction techniques (ART) [40].

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The later they are detected, the more complicated having children becomes. Diet: A lack of folic acid, iron, zinc, and vitamin B-12 can affect fertility. Thyroid problems: An overactive or underactive thyroid gland can lead to a hormonal imbalance. Patients with a grade 1-3 varicocele (visible or palpable) associated with infertility should consider having the varicocele repaired. Advantages[edit] There are a number of advantages to the patient with laparoscopic surgery versus an open procedure. Aetiology of Congenital Absence of Vas Deferens: Genetic Study of Three Generations. (PDF, 4 MB) Human Reproduction, 1993. The main reasons for fertility tourism are legal regulation of the sought procedure in the home country, or lower price. In addition, loss of peripheral visual fields bilaterally may be due to compression of the optic chiasm by the growing pituitary tumor. Pro-life opposition to the destruction of embryos not transferred in vivo. Clinical examination Full clinical examination of both partners usually stands for the underlying physical problem [17-22,24-26], (Appendix 2).