A compelling symmetry: The extended fetuses-at-risk perspective on modal, optimal and relative birthweight and gestational age.

Published in: PloS one (2020)

Changes in the first derivative of the fetuses-at-risk birth and perinatal death rates underlie several births-based perinatal phenomena and this explanation further unifies the fetuses-at-risk and births-based models of perinatal death.

Keyphrases

gestational age
birth weight
preterm birth
pregnant women
body mass index
physical activity
weight gain
pregnancy outcomes