 [ Symptoms ] how soon after pregnancy do you start your period [ Disease ] hi if you bottle feed your baby or combine bottle feeding with breastfeeding your first period could start as soon as 5 6 weeks after you give birth if you fully breastfeed and do not combine bottle feeding with breastfeeding it is possible that your periods may not start again until you stop breastfeeding this is your body is way of preventing additional pregnancies while you have a small baby do hope this helps good luck