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Chemotherapy: Some types may significantly reduce sperm count. They can also carry out some basic tests on both partners to see if there is an identifiable reason for not having achieved a pregnancy. A Physical Map of the Human Y Chromosome. (PDF, 160 KB) Nature, 2001. Couples may decide to go ahead regardless if the desire to become pregnant is very strong.

Causes in men The following are common causes of infertility in men. Hysteroscopy is the inspection of the uterine cavity through the cervix by a hysteroscope attached to a camera which projects to a screen. As sperm move from the head to the tail, they mature and acquire fertilization capacity. If the E2 and FSH levels are in the normal range, clomiphene citrate is the drug of choice, as previously described. The Fate of Non-absorbable Intraureteral Suture. (PDF, 233 KB) The Journal of Urology, 1973. There are different studies, for both women and men.[69] Spermatogonial stem cells trasplant: it takes places in the seminiferous tubule.

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Measures the LH in urine to detect if and when ovulation has occurred. Sertoli cells also secrete inhibin, which provides negative feedback on the hypothalamus, and androgen-binding protein, which helps modulate androgen activity in the seminiferous tubules. Diagnosis and Management of Hypogonadism, Infertility, and Impotence. (PDF, 13 MB) Chapter 22 of textbook,Male Reproductive Dysfunction, 1986. IVF in action Intracytoplasmic sperm injection (ICSI): A single sperm is injected into an egg to achieve fertilization during an IVF procedure. Treatment is with human menopausal gonadotropin (HMG) or exogenous FSH.

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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. Successful Autotransplantation of an Intra-abdominal Testis to the Scrotum by Microvascular Technique. (PDF, 11 MB) The Journal of Urology, 1976. 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).

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In addition, her reproductive tract must allow the eggs and sperm to pass into her fallopian tubes to become fertilized and implanted in the uterus. Effects[edit] Psychological[edit] The consequences of infertility are manifold and can include societal repercussions and personal suffering. The Leydig cells in the testicles control the LH, and the cells build androgens. Reversal of Vasectomy and the Treatment of Male Infertility. (PDF, 4 MB) Journal of Andrology, 1980. Assisted conception The following methods are currently available for assisted conception. But if you haven’t had a period in months, it’s time to get your fertility checked. Furthermore, as aging occurs, egg quality, or the likelihood of an egg being genetically normal, decreases. Problems with sexual intercourse These can include trouble keeping or maintaining an erection sufficient for sex (erectile dysfunction), premature ejaculation, painful intercourse, anatomical abnormalities such as having a urethral opening beneath the penis (hypospadias), or psychological or relationship problems that interfere with sex. Vasoepididymostomy to the Head of the Epididymis: Recovery of Normal Spermatozoal Motility. (PDF, 3 MB)Fertility and Sterility, 1980. Conventional In-vitro Fertilization vs Intracytoplasmic Sperm Injection for Patients Requiring Microsurgical Sperm Aspiration. (PDF, 3 MB) Human Reproduction, 1994. Secondary infertility When a woman is unable to bear a child, either due to the inability to become pregnant or the inability to carry a pregnancy to a live birth following either a previous pregnancy or a previous ability to carry a pregnancy to a live birth, she would be classified as having secondary infertility. Use of clomiphene citrate in infertile women: a committee opinion. The predictive value of hysterosalpingography for tubal and peritoneal infertility factors.