what is the common cause of infertility?
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These may include: Abnormal sperm production or function due to undescended testicles, genetic defects, health problems such as diabetes, or infections such as chlamydia, gonorrhea, mumps or HIV. Enlarged veins in the testes (varicocele) also can affect the quality of sperm.
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A viral infection found in the endometrium may cause infertility and recurrent pregnancy loss. While this is still a theory and in the very early stages of research, it could explain some cases of “unexplained” infertility.
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Polycystic ovarian syndrome (PCOS) is one of the most common causes of female infertility, affecting an estimated 5 million women. 1﻿ But you can get pregnant with PCOS. There are a number of effective fertility treatments available, from Clomid to gonadotropins to IVF.
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Ovulation problems are often caused by polycystic ovarian syndrome (PCOS). PCOS is a hormone imbalance problem which can interfere with normal ovulation. PCOS is the most common cause of female infertility.
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Hormonal Imbalances A hormonal imbalance can cause female infertility by disrupting ovulation, preventing the thickening of the uterine lining, or otherwise preventing a pregnancy from becoming established.
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['lack of regular ovulation (the monthly release of an egg)', 'poor quality semen.', 'blocked or damaged fallopian tubes.', 'endometriosis – where tissue that behaves like the lining of the womb (the endometrium) is found outside the womb.']
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Irregular or missed periods could mean you're not ovulating. This is a common cause of infertility. Some of the conditions that often cause menstrual irregularities, such as PCOS and fibroids, can also reduce fertility.
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Infertility. Infertility (the inability to become pregnant) may occur in cases where a woman has large fibroids. Fibroids can sometimes prevent a fertilised egg attaching itself to the lining of the womb, or prevent sperm reaching the egg, but this is rare.
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Exposure to lead or other heavy metals also may cause infertility. Radiation or X-rays. Exposure to radiation can reduce sperm production, though it will often eventually return to normal. With high doses of radiation, sperm production can be permanently reduced.
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['Cigarette smoking.', 'Genetic abnormalities (Fragile X and other X chromosome abnormalities).', 'Aggressive treatments (radiation for cancer).', 'Ovarian surgery, such as for endometriosis.', 'Idiopathic (this means that there is no apparent cause).']
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Not Ovulating Human conception requires an egg and sperm. If you're not ovulating, you won't be able to get pregnant. Anovulation is a common cause of female infertility and it can be triggered by many conditions. Most women who are experiencing ovulation problems have irregular periods.
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["Infertility. If you don't ovulate and have menstrual periods, you can't become pregnant.", 'Osteoporosis. If your amenorrhea is caused by low estrogen levels, you may also be at risk of osteoporosis — a weakening of your bones.']
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Natural causes most likely to cause amenorrhea include pregnancy, breast-feeding, and menopause. Lifestyle factors may include excessive exercise and stress. Also, having too little body fat or too much body fat may also delay or stop menstruation.
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Having an irregular cycle, including missing periods, can contribute to infertility, as it means a woman may not be regularly ovulating. Ovulation is when the ovary releases an egg. Irregular ovulation can be due to many issues, including polycystic ovary syndrome (PCOS), obesity, being underweight, and thyroid issues.
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['Stress and lifestyle factors. ... ', 'Birth control pills. ... ', 'Uterine polyps or fibroids. ... ', 'Endometriosis. ... ', 'Pelvic inflammatory disease. ... ', 'Polycystic ovary syndrome. ... ', 'Premature ovarian insufficiency.']
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What's Up with Rising Infertility Rates? Infertility is more common than most people think. Today, as many as one in seven couples trying to have a baby will experience infertility. In fact, recent studies show that after a year of having unprotected sex, 15 percent of couples are unable to conceive a child.
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Too much or too little FSH can cause a variety of problems, including infertility (the inability to get pregnant), menstrual difficulties in women, low sex drive in men, and early or delayed puberty in children.