--- O34.591 Maternal care for other abnormalities of gravid uterus, first trimester

--- O34.592 Maternal care for other abnormalities of gravid uterus, second trimester

--- O34.593 Maternal care for other abnormalities of gravid uterus, third trimester

--- O34.599 Maternal care for other abnormalities of gravid uterus, unspecified trimester