How soon after a C-section is it safe to get pregnant again, if you want another baby? Is the uterus at risk for rupturing if you get pregnant too soon?

Many factors. Most studies find risks of rupture more associated with type of uterine incision, numbers of layer closures, uterine defects, and also number of c-sections. Timing has a small role & it's believed risks are slightly higher if pregnant under a year. Ask your OB what your risks are & more importantly what shape your uterus was in at the time of c-section. Prior dehiscence or rupture are higher risks.