parturient
Concise Oxford English Dictionary © 2008 Oxford University Press:
parturient /pɑːˈtjʊərɪənt/
▶adjective technical about to give birth; in labour.
– origin C16: from L. parturient-, parturire ‘to be in labour’, inceptive of parere ‘bring forth’.
'parturient' also found in these Oxford entries:

