Oh my God, I used to overthink this so much and read endless articles online! Yes, it is biologically possible because sperm can survive for days inside. If you are anxious about a missed period, just take a test to be sure.
Yes, it is possible if your cycle is short, as life finds its own beautiful way. Stay positive, keep taking care of your health, and everything will happen at the right time.
While the chances are low, it is definitely possible depending on your ovulation cycle. I always recommend discussing your cycle and family planning with your gynac to be safe and get clear guidance.
My doctor explained this to me when I was recovering from my C-section and planning family spacing. If you have short cycles, ovulation can happen very close to your period, so conceiving is possible. Keep your health a priority.