Does grand multiparity affect fetal outcome?

Low birthweight and stillbirth rates of 16,647 Jerusalem deliveries were examined by birth-order comparing longitudinal to cross-sectional data. Six hundred fifty-seven complete sibships of 7 or more were assessed, including 95 sibships from the socio-economically homogeneous ultraorthodox Jewish community of Mea Shearim. In both cross-sectional and longitudinal studies grandmultiparas were not at increased risk for low birthweight, but did have a higher frequency of stillbirths.