Breastfeeding during your next pregnancy is not a risk to either the breastfeeding toddler or to the new developing baby. If you are having some problems in your pregnancy such as uterine pain or bleeding, a history of preterm labor or problems gaining weight during pregnancy, your doctor may advise you to wean. Some women also choose to wean at this time because they have nipple soreness caused by pregnancy hormones, are nauseous, or find that their growing stomachs make breastfeeding uncomfortable. Your toddler also may decide to wean on his own because of changes in the amount and flavor of your milk. He or she will need additional food and drink because you will likely make less milk during pregnancy.
If you keep nursing your toddler after your baby is born, you can feed your newborn first to ensure he or she gets the colostrum. Once your milk production increases a few days after birth you can decide how to best meet everyone's needs, especially the new baby's needs for you and your milk. You may want to ask your partner to help you by taking care of one child while you are breastfeeding. Also, you will have a need for more fluids, healthy foods, and rest because you are taking care of yourself and two small children.
This answer is based on the source infromation from the the National Women's Health Information CenterContinue Learning about Breastfeeding A Baby
Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.