Maternal preconception BMI and gestational weight gain are associated with weight retention and maternal and child body fat at 6–7 years postpartum in the PRECONCEPT cohort oleh Melissa F. Young, Melissa F. Young, Phuong Hong Nguyen, Phuong Hong Nguyen, Lan Mai Tran, Lan Mai Tran, Long Quynh Khuong, Sara Hendrix, Reynaldo Martorell, Reynaldo Martorell, Usha Ramakrishnan, Usha Ramakrishnan