They kinda implied that some time passed and that they have been going at it everynight, so
They probably did it since then since it shows the seasons changing but it seems pre heavily implied that first time got her pregnant considering she started showing symptoms pretty soon after
Well, she said they've been 'keeping' each other up all night, which implied it has been going on so i don't think it's heavily implying she got pregnant from that first time.
Exactly
Pregnant after the first go around? The injustice