About The Lactation College on Substack

Hi. My name is Barbara L. Philipp, MD. I am a Professor of Pediatrics at Boston University School of Medicine, in Boston, MA, USA, a Fellow of the American Academy of Pediatrics, and a Fellow of the Academy of Breastfeeding Medicine. I am a practicing pediatrician who likes to write, teach, study, and talk about lactation - and help as many breastfeeding mothers as possible.

This site started in January 2021 to help candidates taking the IBCLC exam and to offer education to anyone who wants to learn about breastfeeding — at no cost! It has always bothered me that many doctors, nurses, health care profession students get minimal to no education on breastfeeding in their training.

I thought I might be able to take important topics, break them down, make them understandable, and figure out a way to help the learner remember important points.

And what if the learning could be for free?

The great news is that The Lactation College on Substack has been a big success. As we start this new Semester, this site now has thousands of subscribers.

This is how it works. A Semester runs for about five months. The classes, in the form of newsletters that come to you as emails, are posted every Monday, Wednesday and Friday (and some Tuesdays) in English and Spanish.

Once a Semester starts, all posts can be found by clicking on “See All” or “Archive”. If you join mid-Semester, no worries, all the posts are there.

To start, you can go to the The Lactation College on Substack and read it first, or you can subscribe and then read the post. Subscribing means providing your email information so that as soon as a topic is posted it will go directly to your email box. Obviously, the free option is free to all. Emails are not shared.

In an effort to keep the free site going, I also created a paywall of $8 a month or $50 a year. Join the paid option and you will receive:

  • Research Thursday - a weekly post about a research article in the field of lactation

  • Pediatric Pearls used to be posted on Tuesdays but this stopped in May, 2024. Old post are still there.

We have a new sister site, Lactation College, where you can go to take a course, learn and obtain CERP, CEU (nursing) and CME (provider) credits. Each course is about one hour long and costs $14 per. Some of the proceeds from course sales also will go to keep The Lactation College on Substack up and running. Check it out: Link to Lactation College

For IBCLC-exam takers, there are also practice quizzes on the sister site.

I realize this is a little confusing. I never in a million years thought this Substack site on breastfeeding would be so popular. It’s an awesome problem to have!

Thanks so much for your interest, support, and for ALL YOU DO for breastfeeding moms and babies. It takes a village for sure.

I can be reached at babydoctor53@gmail.com.

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To find out more about the company that provides the tech for this newsletter, visit Substack.com.

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A goal of this site is to provide information, free of charge, to help candidates pass the IBCLC exam. Another goal is to provide Information for anyone who is interested in learning about lactation and breastfeeding.


Pediatrician, Professor of Pediatrics, Teacher, Writer, Co-creator of the online educational credit site lactationcollege.com, Author of The Breastfeeding Blueprint, Wife, Mother, Grandmother, True believer in the importance of breastfeeding for all