Early dilation (1–3 cm) can last hours or even days Cervical dilation alone does not predict exact delivery timing Labor duration depends on contractions, baby’s position, and the mother’s body 👉 Every labor is unique, and variation is completely normal. [ cervical dilation in pregnancy, cervix opening during labor, first delivery vs second delivery, labor stages explained, active labor dilation, how much cervix open for delivery, signs of labor, normal delivery facts, pregnancy labor timeline,