The most common and most likely answer to this crossword clue is the 9 letter word POSTNATAL
I've seen this crossword clue in The Daily Telegraph
P
O
S
T
N
A
T
A
L
More clues leading to the result POSTNATAL
- Pants, a lot exchanged after delivery
- Job somewhere in Africa in a time of new life
- Mail old S African province following delivery
- Model pants a lot before giving birth? On the contrary
- Dotty pants a lot after giving birth
- Job near city Brown rejected after Labour
- Last on tap drunk following the birth
- Job with South African province following delivery
- Parking at last no different after delivery
- After giving birth, plan a tot’s needs to have development
Buddy explains!

The straight part
We know that "after delivery" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case after delivery = postnatal.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does POSTNATAL mean?
POSTNATAL adjective- (of a baby) after being born, of or pertaining to the period immediately after birth
- (of a mother) after giving birth