Answer: gestation

AnswerCrossword Clue
GESTATIONNBC?
GESTATIONPeriod of development
GESTATIONPregnancy
GESTATIONPeriod of slow development
GESTATIONAn elephant has a long one
GESTATIONWhen an embryo develops
gestationthe carrying of young in the uterus pregnancy
gestationthe process of gestating, bearing in the womb