Oh God yar why are you still doing the full sajdah???
You know you can change the namaz to suit ur own health? You can ever pray while lying down and even without wuzu (provided there's a valid reason)...
My naani maa suffers from extremely bad back pain and its been years since she did a full sajda.. Mashallah she prays 5 times a day, she can't even sit down with her knees bent on the floor... so she sits on the sofa to say the prayer..., for ruku and sajdah, she places her hands on her knees and she only bends down a little tiny bit ...and thats her sajda... and I am sure Allah s.w.t. will reward her for even this much...
So lots of hugs n love to you for praying regularly even during this tough time ... you know my mom NEVER gave up a roza even when she was pregnant, and back then we used to live in saudi arabia so u can imagine the heat and the thirst but Alhumdulillah nothing ever happened to her for fasting during pregnancy... When u do something for God, I'm sure he makes sure to look after you.
and CONGRATSS :)