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Fertility Problems - Cause

Fertility problems have many causes that involve either the woman's, the man's, or both partners' reproductive systems. Some causes include:

Rates of infertility and miscarriage increase with age. A woman's fertility peaks in her late 20s. It gradually begins to decline in her early 30s. A more pronounced drop in fertility and increase in miscarriage risk begins around her mid-30s. This is primarily due to the aging egg supply. Male fertility also decreases with age. But it is a more gradual decline than in women.

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GIFT and ZIFT

GIFT (gamete intrafallopian transfer) and ZIFT (zygote intrafallopian transfer) are modified versions of in vitro fertilization (IVF). Like IVF, these procedures involve retrieving an egg from the woman, combining with sperm in a lab then transferring back to her body, but in GIFT and ZIFT the process goes more quickly. While in traditional IVF the embryos are observed and raised in a laboratory for 3 to 5 days, in ZIFT, the fertilized eggs -- at this stage called zygotes -- are placed in the fallopian...

Read the GIFT and ZIFT article > >

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WebMD Medical Reference from Healthwise

Last Updated: December 07, 2011
This information is not intended to replace the advice of a doctor. Healthwise disclaims any liability for the decisions you make based on this information.
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