Miscarriage
How Common Is Miscarriage?
Estimates of the incidence of miscarriage vary, because women have miscarriages without even knowing that they are pregnant. However, some health authorities estimate that one pregnancy in four ends in miscarriage, mostly in the first 12 weeks of pregnancy.
The miscarriage rate appears to be higher for women with polycystic ovarian syndrome (PCOS). Some studies suggest that the rate could be 45% or more.
Healthcare services
Causes of Miscarriage
There are multiple possible causes of miscarriage. Although not all the possible causes have been identified, the main causes are thought to be: