O20 Haemorrhage in early pregnancy

O21 Excessive vomiting in pregnancy

O22 Venous complications in pregnancy

O23 Infections of genitourinary tract in pregnancy

O24 Diabetes mellitus in pregnancy

O25 Malnutrition in pregnancy

O26 Maternal care for other conditions predominantly related to pregnancy

O28 Abnormal findings on antenatal screening of mother

O29 Complications of anaesthesia during pregnancy