Many pregnancies are lost during early gestation, but clinicians still lack tools to recognize
risk factors for miscarriage. Thus, the identification of risk factors for miscarriage during the
first trimester in women with no obvious risk for a pregnancy loss was the aim of this
prospective cohort trial. A total of 1098 women between gestation weeks 4 and 12 in whom
no apparent signs of a threatened pregnancy could be diagnosed were recruited.
Demographic, anamnestic, psychometric and biological data were documented at …