BACKGROUND Although spontaneous miscarriage is the most common complication of
human pregnancy, potential contributing factors are not fully understood. Advanced …

BACKGROUND Reproductive disorders and infertility are associated with the risk of
obstetric complications and have a negative impact on pregnancy outcome. Affected …

Objectives—This report presents 2015 data on US births according to a wide variety of
characteristics. Data are presented for maternal age, live-birth order, race and Hispanic …

Objectives—This report presents 2014 data on US births according to a wide variety of
characteristics. Data are presented for maternal age, live-birth order, race and Hispanic …

Background Although an infrequent occurrence, the placenta can adhere abnormally to the
gravid uterus leading to significantly high maternal morbidity and mortality during cesarean …

DHHS publication; no.(PHS) 2013-1120 Objectives: This report presents 2010 data on US
births according to a wide variety of characteristics. Data are presented for maternal …

X chromosome inactivation and genomic imprinting are classic epigenetic processes that
cause disease when not appropriately regulated in mammals. Whereas X chromosome …

STUDY QUESTION What is the association between ART conception and treatment
parameters and the risk of birth defects? SUMMARY ANSWER Compared to naturally …

OBJECTIVE: To determine whether performing comprehensive chromosome screening
(CCS) and transferring a single euploid blastocyst can result in an ongoing pregnancy rate …

Infants born very preterm (< 32 weeks gestation) are at increased risk for death, medical
complications, and neurodevelopmental sequelae. The World Health Organization defines …