The rupture was 2.5-3 centimeters, gave me a tablet of Mepriston, as t…

The rupture was 2.5-3 centimeters, gave me a tablet of Mepriston, as the fetus is large and has diabetes. When contractions start, I took the tablet in two days, now there are cutting pains in the lower abdomen and the waist hurts, but it's still bearable. How long do you think?