Do I have a ripped stitch after labiaplasty? Day 5 and suddenly noticed a lot of pain and drops of blood when I wiped

The scab will eventually fall off. A little blood is normal at this point and it might bleed a little when the scab falls off.lSince it is so early
in the postoperative period, this amount of swelling and pain is
normal. To reduce pain, itching, and swelling, apply ice packs by
putting crushed ice in a resealable plastic bag and covering it with
a damp, soft cloth for 20-30 minutes at a time.

Thank you for sharing your question and photographs.  If you had a sudden increase in discharge after 5 days where there was none previously you probably did suffer a small separation or torn suture from your incision line.  Your pictures do not show any areas of concern for worsening but I would inform your surgeon so that they are aware and can follow you along closely.  Hope this helps.

You have some swelling, but the scars appear intact. It's possible that the pain was related to some trapped blood escaping between the stitches, but no way to tell for sure.