The amount of milk a woman makes when feeding her baby is due to many different factors, and they’re largely circumstantial rather than genetic. You wanted to know, specifically, if your mom was an over-producer or an under-producer (or maybe your sisters have had issues with supply, being over- or under-producers), if that will be the case for you too. The short answer is not necessarily, and here’s why. The largest factors that affect milk production are: - The frequency at which the breast is emptied by either nursing or pumping. - The baby’s latch and how efficient the baby is at emptying the breast when they nurse. - A history of breast surgery may affect a woman’s supply, especially breast reductions, because during surgery, the mammary glands can be affected and, thus, affect a woman’s ability to make milk. - And then sometimes, women are on medications that affect supply. There are many other factors too, but ultimately, it’s circumstantial, so if your family has had issues with it, then you can turn to them if you have the same problems, because they’ll probably have some ideas on how to help you and support you, but it doesn’t necessarily mean that you will have the same problems. If you have any issues with breastfeeding, be sure to talk with your pediatrician so you know how to meet your baby’s needs while you work through those issues, and also see a lactation specialist who can talk with you one on one and offer you tailored information and advice. If you have more questions in the future for me, feel free to ask them on our Intermountain Moms Facebook and Instagram pages, and recommend us to your friends and family too.