Final answer:
Afterpains are common in the first 2-3 days postpartum, and they continue if the mother chooses to delay breastfeeding. Breastfeeding facilitates the process of uterine involution after childbirth.
Step-by-step explanation:
Afterpains are common in the first 2-3 days postpartum and continue if the mother chooses to delay breastfeeding. Uterine contractions continue for several hours after birth to return the uterus to its pre-pregnancy size, and breastfeeding facilitates this process. If the mother chooses to bottle-feed, use formula, or engage in sexual activity, it does not affect the occurrence of afterpains.