Maternal salivary cortisol differs by fetal sex during the second half of pregnancy.
DiPietro
Janet A
JA
Department of Population, Family & Reproductive Health, Johns Hopkins Bloomberg School of Public Health, 615 N. Wolfe St., W1033, Baltimore, MD 21205, USA. jdipietr@jhsph.edu
Costigan
Kathleen A
KA
Kivlighan
Katie T
KT
Chen
Ping
P
Laudenslager
Mark L
ML