Hi mama! Hindi talaga yan normal kung ganyan katagal, usually babalik na ng 6-12 months kahit breastfeeding pa, kaya mas better na mag-check ka talaga with your OB para malaman kung ano ang dahilan, whether hormonal imbalance, thyroid issue, or something else na kailangan i-address. A few of us had delayed periods din after pregnancy, kaya alam ko how worrying it is, pero important talaga malaman from a doctor kung bakit ganyan. Sana ma-figure out agad ano ang issue mo!