couvade

noun

1. (countable, uncountable)A practice among some peoples, such as the Basques, of the husband of a woman in the last stages of pregnancy taking to bed, avoiding certain foods, or imitating other behaviours of a pregnant woman.
2. (countable, uncountable)Sympathetic pregnancy: the involuntary sympathetic experience of the husband of symptoms of his wife's pregnancy, such as weight gain or morning sickness.