An early stillbirth is a fetal death occurring between 20 and 27 completed weeks of pregnancy. A late stillbirth occurs between 28 and 36 completed pregnancy weeks. A term stillbirth occurs between 37 or more completed pregnancy weeks..

What causes a baby to be stillborn?

A stillbirth is the death of a baby in the womb after week 20 of the mother's pregnancy. The reasons go unexplained for 1/3 of cases. The other 2/3 may be caused by problems with the placenta or umbilical cord, high blood pressure, infections, birth defects, or poor lifestyle choices.

What week is most common for stillbirth?

The highest risk of stillbirth was seen at 42 weeks with 10.8 per 10,000 ongoing pregnancies (95% CI 9.2–12.4 per 10,000) (Table 2).