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Assisted reproductive technology, including IVF
Assisted reproductive technology is an infertility treatment in which both egg and sperm are handled. The most common of these is in vitro fertilization. For IVF, the woman takes fertility drugs so her ovaries make several eggs at once; these are extracted just before ovulation and mixed with sperm in the lab. After three or five days, embryos are transferred into the woman's uterus and she waits to see if one or more implant so she gets pregnant.
In vitro fertilization may be an option for patients with blocked fallopian tubes, diminished ovarian reserve (ovaries that aren't working very well, as determined by blood tests of FSH), male-factor infertility, endometriosis, or unexplained infertility.
Pregnancies that result from IVF are basically identical to those that arise from natural conception. The main difference is that women who have IVF have a much higher rate of multiple pregnancies. But twins from IVF and twins that are spontaneously conceived have about the same risks. There are some conditions that are more common in women with infertility that may predispose them to certain pregnancy complications or birth defects, but these conditions are rare.
IVF is expensive and often not covered by insurance.
This section contains more information on:
Egg retrieval
Sperm retrieval
Fertilization
Embryo transfer and implantation
Preimplantation genetic diagnosis
Freezing
Donor egg
GIFT and ZIFT
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