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in vitro fertilization success rates

infertility facts


Infertility is defined as the inability to become pregnant after 12 months of unprotected intercourse. After age 35 for the female the time period for this diagnosis is made after 6 months. There are many causes for infertility which are equally divided between male and female factors. However, a small percentage is unexplained.



Causes of infertility related to the female partner (40%) are often related to tubal disease, ovarian problems, and endometriosis.


Male factors (40%) involved abnormal sperm count, motility (movement), morphology (structure), or dysfunction.


Unexplained (idiopathic) infertility is diagnosed only after all other causes are excluded and only can be made after laparoscopy.