as many as 75% of all conceptions miscarry 20% of pregnancies end in miscarriages. 15-20% aller bestätigten Schwangerschaften 75 percent of all conceptions miscarry these statistics verywell.com defines “miscarriage” and “spontaneous abortion” about one in three pregnancies miscarry 15-20 percent of confirmed pregnancies end in miscarriage these statistics pregnancy losses recent studies