Relating to birth (5)
I believe the answer is:
natal
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">relating to birth</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for natal that I've seen before include "somewhere in Africa" , "South African place" , "Native" , "Pertaining to birth" , "Like a birthday" .)