O26.1 - Low weight gain in pregnancy O26 - Maternal care for other conditions predominantly related to pregnancy O26.1 - Low weight gain in pregnancy
O26.10 - Low weight gain in pregnancy, unspecified trimester O26.11 - Low weight gain in pregnancy, first trimester O26.12 - Low weight gain in pregnancy, second trimester O26.13 - Low weight gain in pregnancy, third trimester