母子

プログレッシブ和英中辞典(第4版)

ぼし【母子】

mother and child

母子ともに元気です
Both 「mother and child [the mother and the baby] are doing well.

母子家庭

a fatherless family

母子（健康）手帳

a health log for expectant mothers and infants；〔公式〕a Maternal and Child Health Handbook

母子年金

an allowance for fatherless families

母子寮

housing [a dormitory] for fatherless families

出典　小学館「プログレッシブ和英中辞典(第4版)」