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After one year of having unprotected sex, about 15 percent of couples are unable to get pregnant. Human chorionic gonadotropin (Ovidrel, Pregnyl): Used together with clomiphene, hMG, and FSH, this can stimulate the follicle to ovulate. If you’re having trouble conceiving, you are certainly not alone. 1 Infertility is medically defined as the inability to conceive after 12 months of unprotected sex.

Refinements in the Methodology of Injection for Transvaginal Gamete Intra-Fallopian Transfer. (PDF, 2 MB) Human Reproduction, 1994. In reproductive medicine, the most common surgical procedures are laparoscopy, hysteroscopy, and abdominal myomectomy (removal of uterine fibroids). Abnormal sperm: The sperm may have an unusual shape, making it harder to move and fertilize an egg.

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Histological dating of timed endometrial biopsy tissue is not related to fertility status. Taking testosterone, or any over-the-counter androgen like DHEA (for weight training), can harm fertility, says Shaban. “People have had unnecessary surgeries because they forgot to say they were on these medicines,” he warns. After fertilization, implantation may then take place in the uterus. This test measures the ability of the sperm to penetrate a specially prepared egg from an animal, usually a hamster. If you’ve been diagnosed with infertility, or fear you may have trouble conceiving in the future, you’re not alone.

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Ovulation induction is somewhat different from controlled ovarian hyperstimulation, which involves the use of some of the same medications to stimulate the development of multiple mature follicles and eggs in order to increase pregnancy rates with various infertility treatments. The laboratory evaluation begins with a semen analysis. Microscopic Vasectomy Reversal. (PDF, 31 MB) Fertility and Sterility, 1977. Primary spermatocytes undergo meiosis as the cells successively pass through the preleptotene, leptotene, zygotene, and pachytene stages to become secondary spermatocytes.

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Temporal relationship and reliability of the clinical, hormonal, and ultrasonographic indices of ovulation in infertile women. Unexplained fertility affects about 10 percent of couples worldwide. Several days later, embryos -- or fertilized eggs -- get put back into your uterus with a device called an intrauterine insemination catheter. Evaluation of the uterus and fallopian tubes can be performed by hysterosalpingography in women with no risk of obstruction. Oei SG, Helmerhorst FM, Bloemenkamp KW, Hollants FA, Meerpoel DE, Keirse MJ. ART: Intracytoplasmic Sperm Injection (ICSI) (Continued) Once an egg is injected, it is observed for approximately 14 hours to see if fertilization has occurred (average fertilization rate is about 65%), and for 24 hours to ensure that cell division has started. Basal body temperatures are no longer considered a reliable indicator of ovulation, and are not recommended for evaluating ovulation. Polycystic ovary syndrome causes infrequent periods or a total absence of them and is the most common cause of anovulation (an absence of ovulation). Erectile dysfunction or premature ejaculation: Medication, behavioral approaches, or both may help improve fertility. Perfect Anatomical Reconstruction of Vas Deferens with a new Microscopic Surgical Technique. (PDF, 19 MB)Fertility and Sterility, 1977.