Not sure why people downvoted you... "mean age of first time mother" is climbing and is nearly at 30 years old in most of the developed world now.

http://time.com/4181151/first-time-moms-average-age/

http://www.statcan.gc.ca/pub/11-630-x/11-630-x2014002-eng.ht...

http://www.huffingtonpost.co.uk/2016/03/09/pregnancy-around-...