Dear Rachael,
I will assume, that you haven't had your biological child till now and hence this query posted.
Child birth seems to be very difficult for you, there could be some deeper issue , moreover your partners horsocope if not very strong in matters of child birth. Your horsocope do not promise a child birth if it hasn't been untill now.
You have a magical window coming up between February 2023 and untill November 2024. This is your best chance to conceive.
You should take help of medical advise and try alternative methods of child birth. If you conceive it will be a son and you should take extreme precautions during your pregnancy as the child can be born with some concerns at biological level.
Take best medical advise and attempt in the window of time mentioned above.
Ketu residing in hosue 5 can create absence of 5th house matters, Navamsha also shows same pattern with strong mars aspects in D-1 or lagna chart as wells as D-9 or Navamsha.
Karaka of 5th house Jupiter and Sun in 12th house , 8th from 5th house and Jupiter the giver is combust. Making chances minor.
Saturn-Rahu dasha with Saturn transit in in aquarius can bring some strength in this matters, mars aspect suggest medical intervention of surgery needed.