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In collaboration with partners, CDC developed the National Public Health Action Plan for the Detection, Prevention, and Management of Infertility, which identifies opportunities to prevent and reduce infertility and improve outcomes for couples undergoing fertility treatment. Abnormal semen may not be able to carry the sperm effectively. Successful Pregnancy after Microsurgical Transplantation of an Intact Ovary. (PDF, 438 KB) The New England Journal of Medicine, 2008. For one, don’t do things to hurt your chances to have viable sperm — marijuana, cocaine, tobacco, and more than two alcoholic drinks a day harm sperm production, says Ross.

Endometrial polyps Endometrial polyps are growths found in the uterine cavity. Unexplained infertility[edit] In the US, up to 20% of infertile couples have unexplained infertility.[61] In these cases abnormalities are likely to be present but not detected by current methods. Epididymal Surgery. (PDF, 8 MB) Chapter 8 from textbook, Infertility, 1992.

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They’ll recommend some simple fertility tests, more information about which can be found here. 3  Sometimes, a couple who’ve already had a child can have trouble conceiving again. Author disclosure: No relevant financial affiliations.

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CASA measures the following parameters: Curvilinear velocity – The average distance per unit time between successive sperm positions) Straight-line velocity – The speed of forward direction Linearity – The straight-line velocity divided by the curvilinear velocity In addition, the program measures the average path velocity, the amplitude of lateral head displacement, and the flagellar beat frequency, and it is used to evaluate for evidence of hyperactivation. A couple should see a healthcare provider if they have not been able to become pregnant after 12 months of having sex regularly without birth control.

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Illegal drugs: Some women who use marijuana or cocaine may have fertility problems. One reported method to induce estrus in cats is FSH at 2 mg/cat, IM, once daily until signs of estrus appear (not administered for >5 days). Other hormones including inhibin B and leptin, may also be affected by obesity. Outcome of Intracytoplasmic Sperm Injection with Testicular Spermatozoa in Obstructive and Non-obstructive Azoospermia. (PDF, 426 KB) Human Reproduction, 1996. Evaluating the Infertile Male – Part 1. (PDF, 5 MB) Contemporary OB/GYN, 2004. Many more couples, however, experience involuntary childlessness for at least one year: estimates range from 12% to 28%.[4] Male infertility is responsible for 20–30% of infertility cases, while 20–35% are due to female infertility, and 25–40% are due to combined problems in both parts.[2][5] In 10–20% of cases, no cause is found.[5] The most common cause of female infertility is ovulatory problems, which generally manifest themselves by sparse or absent menstrual periods.[6] Male infertility is most commonly due to deficiencies in the semen, and semen quality is used as a surrogate measure of male fecundity.[7] Women who are fertile experience a natural period of fertility before and during ovulation, and they are naturally infertile for the rest of the menstrual cycle. Radiation therapy: This can impair sperm production. A specific portion of the androgen receptor gene, exon 1, has been studied in infertile males and a meta-analysis that involved males with idiopathic infertility and fertile controls found that infertility was directly correlated with the length of CAG repeats in this exon.[23] Y chromosome microdeletion syndrome The long arm of the Y chromosome (Yq) is considered critical for fertility, especially Yq11. Men with Infertility Caused by AZFc Deletion can Produce Sons by Intracytoplasmic Sperm Injection, but are Likely to Transmit the Deletion and Infertility. (PDF, 102 KB) Human Reproduction, 1999. Isodicentric Y Chromosomes and Sex Disorders as Byproducts of Homologous Recombination that Maintains Palindromes. (PDF, 1 MB) Cell, 2009.