We are displaying the solving process step by step in case you need to clarify some unsolvable piece.
Solving Steps
1 [part of your pants to fly by] is replaced by 'seat'
2 [seat for a driver who's not driving] is replaced by 'back'
3 [one essential component of backgammon or Catan 😵] is replaced by 'die'
4 [one depicted as a tiny old man in medieval paintings 🍼] is replaced by 'baby'
5 [go bad 🍅] is replaced by 'rot'
6 [rotate] is replaced by 'turn'
7 [turn-___ (personal ick)] is replaced by 'off'
8 [what you might do after an officiant (or me)] is replaced by 'repeat'
9 [letter repeated thrice in a url] is replaced by 'w'
10 [who I O] is replaced by 'u'
11 [w vis-à-vis u] is replaced by 'double'
12 [number of people on a double date] is replaced by 'four'
13 [four in days of yore] is replaced by 'IV'
2 [seat for a driver who's not driving] is replaced by 'back'
3 [one essential component of backgammon or Catan 😵] is replaced by 'die'
4 [one depicted as a tiny old man in medieval paintings 🍼] is replaced by 'baby'
5 [go bad 🍅] is replaced by 'rot'
6 [rotate] is replaced by 'turn'
7 [turn-___ (personal ick)] is replaced by 'off'
8 [what you might do after an officiant (or me)] is replaced by 'repeat'
9 [letter repeated thrice in a url] is replaced by 'w'
10 [who I O] is replaced by 'u'
11 [w vis-à-vis u] is replaced by 'double'
12 [number of people on a double date] is replaced by 'four'
13 [four in days of yore] is replaced by 'IV'
The Answer
the first baby is born via IVF
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