morning sickness

English Thesaurus

1. nausea early in the day; a characteristic symptom in the early months of pregnancy (noun.state)

hypernym	:	nausea, sickness,
definition	:	the state that precedes vomiting (noun.state)

part meronym	:	gestation, maternity, pregnancy,
definition	:	the state of being pregnant; the period from conception to birth when a woman carries a developing fetus in her uterus (noun.state)