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Infertility may be caused by blockage of the Fallopian tube due to malformations, infections such as chlamydia or scar tissue. Estrous cycle abnormalities can cause infertility. The volume provides clear guidelines and a logical sequence of steps which will quickly lead the clinician or physician to an accurate diagnosis of the underlying cause of infertility.

22 Treatment of Male Infertility Jump to section + Underlying etiology determines the therapeutic course, although male infertility is unexplained in 40% to 50% of cases. A karyotype test and a Y chromosome test for microdeletions are indicated in patients with nonobstructive azoospermia or severe oligospermia (< 5 million sperm/mL), although indications are expanding.[20] Klinefelter syndrome Klinefelter syndrome is the most common chromosomal cause of male infertility, estimated to be present in 1 per 500-1000 male births. Risk factors for the formation of antisperm antibodies in men include the breakdown of the blood‑testis barrier, trauma and surgery, orchitis, varicocele, infections, prostatitis, testicular cancer, failure of immunosuppression and unprotected receptive anal or oral sex with men.[23][24] Sexually transmitted infections[edit] Infections with the following sexually transmitted pathogens have a negative effect on fertility: Chlamydia trachomatis and Neisseria gonorrhoeae. Infertility and impaired fecundity in the United States, 1982–2010: data from the National Survey of Family Growth. Treatment of Female Infertility: Assisted Reproductive Technology (ART) Assisted Reproductive Technology (ART) is a term used to collectively describe a number of noncoital methods of conception that treat causes of infertility not responsive to conventional methods. Ovulation disorders About one quarter of infertility cases are due to ovulation disorders.

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Genetics of Male Infertility: Evolution of the X and Y Chromosome and Transmission of Male Infertility to Future Generations. (PDF, 10 MB) Chapter 5 from Essential IVF, 2004. Physical exam A directed physical exam that may include a pelvic ultrasound should be performed. In most cases, surgery can be performed to either reverse these blockage or to retrieve sperm directly from the epididymis and testicles. Epididymal and Testicular Spermatozoa and Intracytoplasmic Sperm Injection. (PDF, 7 MB) Assisted Reproduction Reviews, 1996. ART techniques generally start with stimulating the ovaries to increase egg production. Vasoepididymostomy to the Head of the Epididymis: Recovery of Normal Spermatozoal Motility. (PDF, 3 MB)Fertility and Sterility, 1980.

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Health problems such as mumps or hormone problems. Poor egg quality: Eggs that are damaged or develop genetic abnormalities cannot sustain a pregnancy. Tubal obstructions can precisely be localized like this. Previous pelvic surgeries involving the fallopian tubes can also increase your chances of infertility. Submucosal fibroids are the type if fibroid that has clearly been demonstrated to reduce pregnancy rate, roughly by 50%, and removal of which will double pregnancy rate.

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Factors Affecting Fertility: Timing of Intercourse Intercourse prior to ovulation is key to maximizing the chance of pregnancy. Effect of male age on fertility: evidence for the decline in male fertility with increasing age. Abnormal head shapes are described as tapered, duplicated, small, large, amorphous, or pyriform. ARTICLES FROM THE 2010s Ovarian Function 6 Years after Cryopreservation and Transplantation of Whole Sheep Ovaries. (PDF, 496 KB)Reproductive BioMedicine Online, 2010. These assistance systems meet the demands of true solo surgery assistance systems and are robust, versatile, and easy to use. But the ruling is also likely to lead to accusations that that the body has overstepped its remit by moving from its remit of health into matters of social affairs. Seminoma Discovered in Two Males Undergoing Successful Testicular Sperm Extraction for Intracytoplasmic Sperm Injection. (PDF, 807 KB) Human Reproduction, 1995. In such cases, OPKs and those fertility monitors which are based on LH may show false results, with an increased number of false positives or false negatives. A sperm analysis can be done to check a man's sperm count and the overall health of the sperm.Infertility is the inability of a person, animal or plant to reproduce by natural means. 25 Women with no clear risk of tubal obstruction should be offered hysterosalpingography to screen for tubal occlusion and structural uterine abnormalities.