fall pregnant

fall pregnant (third-person singular simple present falls pregnant, present participle falling pregnant, simple past fell pregnant, past participle fallen pregnant)

1. (intransitive, formal or literary) To become pregnant.

   We were delighted when I fell pregnant with my first son.

Origin unknown; it is now seen as turning pregnancy into an activity solely involving the woman and freeing the man from responsibility. See also this analysis of the word's etymology.

• become pregnant, get pregnant