Answer:

uterus

Answer	Crossword Clue
UTERUS	Starter home?
UTERUS	Embryo's home
UTERUS	Womb

UTERUS	Where the endometrium is
UTERUS	Oviduct portion
UTERUS	First home?
UTERUS	Fetus holder
UTERUS	Prenatal cradle
UTERUS	Where we all began
UTERUS	One's first home

Crossword

a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.