1 in how many are infertile?
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Infertility is common. Out of 100 couples in the United States, about 12 to 13 of them have trouble becoming pregnant. About ten in 100 (6.1 million) women in the United States ages 15–44 have difficulty becoming pregnant or staying pregnant, according to the Centers for Disease Control and Prevention.
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The good news is that couples with unexplained infertility have a 50 percent chance of getting pregnant naturally within a year following diagnosis. However, this chance of conceiving naturally after unexplained infertility is reduced for the following groups of women: Those over the age of 30.
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Most men with CF (97-98 percent) are infertile because of a blockage or absence of the sperm canal, known as congenital bilateral absence of the vas deferens (CBAVD). The sperm never make it into the semen, making it impossible for them to reach and fertilize an egg through intercourse.
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Secondary infertility is the inability to become pregnant or carry a pregnancy to term after you've already had a baby, and it's more common than you might think, accounting for about 50 percent of infertility cases.
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In some men, retrograde ejaculation causes infertility. When very little or no ejaculate exits the body, the chances of sperm fertilizing an egg range from low to zero. However, retrograde ejaculation is responsible for just 0.3–2 percent of infertility cases.
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On average, a woman under 35 will have a 10 to 20 percent chance of pregnancy with each IUI, while a woman over 40 will have a two to five percent chance. “The peak IUI effect is around three to four cycles,” says Baratz. “If you're going to get pregnant [with IUI], you'll get pregnant within those attempts.”
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After five unsuccessful IVF cycles, the chance of pregnancy rose by less than 1 percent. Undergoing IVF doesn't necessarily mean you're infertile and can't get pregnant without assisted reproductive technology.
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Women have a 10 to 20 percent chance of getting pregnant with each IUI cycle. The more cycles you go through, the better your chances become. But sometimes, as you're weighing those options, the random numbers can feel a bit cold and hard to relate to.
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After treating 95 of the infertile men with antibiotics for four months, the researchers found that their sperm DNA fragmentation improved 36% – during this time 13% of them managed to get their partners pregnant. By the end of the treatment period 86% of the couples became pregnant.
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IUDs are more than 99 percent effective. This means that less than 1 out of every 100 people who have an IUD will become pregnant.
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Three hundred and seven women conceived while receiving infertility treatments. After treatment, 84 of those women were able to conceive naturally, the researchers said. Most -- 87 percent -- of the natural conceptions occurred within two years after the end of infertility treatments, the research revealed.
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Infertility Causes. Infertility may be caused by many factors including problems with egg or sperm production, genetic factors, age, or too much exposure to certain chemicals and toxins.
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Women who produce fewer eggs during IVF treatment are more likely to miscarry, research suggests. Scientists analysed 124,351 IVF pregnancies between 1991 and 2008. About 20% of pregnancies in women who produced fewer than four eggs after the ovarian stimulation phase of IVF ended in miscarriage.
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Unexplained infertility occurs when no cause is found for a couple's inability to conceive. About 10 percent of infertile couples suffer from unexplained infertility. The good news is that couples with unexplained infertility have a 50 percent chance of getting pregnant naturally within a year following diagnosis.
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From this time, no new eggs are produced. At birth, there are approximately 1 million eggs; and by the time of puberty, only about 300,000 remain. Of these, only 300 to 400 will be ovulated during a woman's reproductive lifetime.
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If you have irregular periods (i.e., you can't depend on your period starting every 21 to 36 days), it's likely that you aren't ovulating or you're ovulating irregularly. Around 30 percent of infertility problems are caused by not ovulating, or to use the technical terms: oligo or anovulation.
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In their conclusion, the researchers wrote, “Most couples conceive within six cycles with timed intercourse.” After a year of trying without conceiving, experts say you should see a fertility specialist.