母子健康手帳
ぼしけんこうてちょう maternity record book

母子共
ぼしとも both mother and child

母子家庭
ぼしかてい fatherless family

母子寮
ぼしりょう home for mothers and children

母子年金
ぼしねんきん allowance for fatherless families

母子草
ははこぐさ cottonweed