How long does it take for baby to drop?

Robin • 🐶 Feb 18- 💍 Nov 10- 🎀 Jan 15

Dumb question but I’m a FTM and 30 weeks. Ive been able to breathe more freely and I’ve been having lightening crotch/round ligament pain/hip cramping and she feels lower but only by a few millimeters. How long will it take for her to be drop completely?