The laboratory is studying various genetic materials.

She gave birth to her baby in the maternity ward.

The materfamilias is responsible for managing the household and making important decisions.

The workers were trained to handle hazardous materials safely.

I bought a new maternity bra for my sister.

I bought some new maternity bras for my pregnancy.

The materfamiliases gathered for a family reunion.

My maternal grandfathers are both from Ireland.

My maternal cousins are coming over for dinner tonight.

My maternal grandmothers are both strong and loving women.