Miscarriage or spontaneous abortion is the natural
or spontaneous end of a pregnancy at a stage where the embryo or
the fetus is incapable of surviving, generally defined at a gestation
of prior to 20 weeks.
Miscarriages are the most common complication of pregnancy.
The medical term "abortion" refers to any terminated pregnancy,
deliberately induced or spontaneous, although in common parlance
it refers specifically to active termination of pregnancy.
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"So You Have Actively Trying To Get Pregnant" will go over all the important medical conditions. We show you how they relate to pregnancy and steps to overcome possible problems