ABSTRACT Children conceived by Assisted Reproductive Technologies (ART) are at
moderately increased risk for a number of undesirable outcomes, including low birth weight …

Twin gestations are associated with increased risk of pregnancy complications. However,
high-quality evidence regarding the management of twin pregnancies is limited, often …

Background Twin pregnancy was associated with significantly higher rates of adverse
neonatal and perinatal outcomes, especially for the second twin. In addition, the maternal …

Importance Twin pregnancy is a common occurrence in pregnancies conceived with in vitro
fertilization (IVF), but the absolute risk of adverse obstetric outcomes stratified by IVF, twin or …

STUDY QUESTION Which genetic factors regulate female propensity for giving birth to
spontaneous dizygotic (DZ) twins? SUMMARY ANSWER We identified four new loci …

Objective: To identify maternal and peripartum characteristics in twin gestations that are
associated with postpartum hemorrhage (PPH) in which one or more units of packed red …

OBJECTIVE: To investigate the association between twin pregnancy and severe acute
maternal morbidity, overall and by timing (before, during or after delivery) and underlying …

On the basis of American Society for Reproductive Medicine and Society for Assisted
Reproductive Technology data, the American Society for Reproductive Medicine's …

Background The scoring system for human blastocysts is traditionally based on morphology;
however, there are controversies on the effect of morphology parameters on pregnancy …

BACKGROUND ART is associated with higher rates of twin pregnancies than singleton
pregnancies. Whether twin pregnancies conceived following ART have additional maternal …