Ah, normal lang yan ang tanong mo! Honestly, it varies kasi, a few of us moms, ang periods namin bumalik after 3-4 months ng breastfeeding, pero may iba na delayed pa rin even after a year dahil sa exclusive breastfeeding. Ang lactational amenorrhea (parang natural family planning) talaga ang nangyayari kaya walang regla, but it's not 100% reliable so dapat careful pa rin. Best talaga to ask your OB about your specific situation, especially if you're exclusively breastfeeding or may formula na din!