Veja Donay uma outra sugestão que eu achei.
Make (a woman or female animal) pregnant.
Biology Fertilize (an ovum).
‘he was obliged to marry the woman he'd impregnated’
‘One study found that, among pregnant 15-year-olds, 40% had been impregnated by a man who was at least 20 years old.’
‘Very few bulls remain to impregnate cows, making inbreeding a pressing concern.’https://en.oxforddictionaries.com/definition/impregnate