Answer:

headfirst

Answer	Crossword Clue
HEADFIRST	Impetuously
HEADFIRST	One way to dive
HEADFIRST	Beauty spot?

HEADFIRST	Precipitately
HEADFIRST	Impetuously ... or what can go on each part of the answer to each starred clue?
HEADFIRST	How most babies come out
HEADFIRST	How some dive in