Abstract
This is defined as inability to conceive for 12 months, during which approximately 80–90% of couples desirous of pregnancy will have done so. The prevalence is 14%, at least half of couples complaining of secondary infertility. The infertility will remain unresolved in 3–4% of couples. The mean time to pregnancy rises from 6 months in women at all ages attempting their first pregnancy to 15 months in a 35 year old undergoing artificial insemination with donor sperm (DI) or more than 7 years if, in addition, this patient has been treated for endometriosis. The monthly probability of pregnancy (fecundability) expressed as the reciprocal of the mean time required for conception in months falls from 0.4 in the 25 year old attempting her first pregnancy to 0.008 after 2 years of unexplained infertility.
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© 2000 Springer-Verlag London Limited
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Stabile, I., Chard, T., Grudzinskas, G. (2000). Infertility. In: Clinical Obstetrics and Gynaecology. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-85919-9_30
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DOI: https://doi.org/10.1007/978-3-642-85919-9_30
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-540-78083-0
Online ISBN: 978-3-642-85919-9
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