Miscarriages

In 1963 I had a miscarriage. The doctor told me then, almost 50 years ago, that about one third of all pregnancies end in miscarriage (spontaneous abortion) and had for as long as medical science had tracked it. Incompatible with life, was his explanation. Apparently, that figure hasn't changed much according to this article on thyroid problems and the risk of miscarriage which uses the figure 31%.