have a baby
出産するさま
was big with child
出産すること
the act of delivering a child
come into existence through birth
the report of a birth―the registration of a birth
妊娠する.
妊娠したの。
to report a birth―have a birth registered
妊娠すること
妊娠していること
was great with child
I'm expecting.
the last month of a pregnancy
undergo the efforts of childbirth