Lisa Hendrickson-Jack

My name is Lisa Hendrickson-Jack. I took my fertility health in my own hands at a very young age. I now even talk about vaginas and fertility timelines as a certified Fertility Awareness Educator and Holistic Reproductive Health Practitioner. Helping other women learn about how to chart their menstrual cycles for natural birth control, conception, and fertility monitoring for overall health is my passion. My new book, “The Fifth Vital Sign” I explore and debunk the myth that regular ovulation is only important when you want children. I believe that the menstrual cycle is, in fact, a vital sign. Drawing heavily from the current scientific literature, I present the evidence-based approach to fertility awareness and menstrual cycle optimization. I host the Fertility Friday podcast devoted to helping women connect to their fifth vital sign by uncovering the connection between menstrual cycle health, fertility, and overall health. I hope to be a turn to resources for information about fertility awareness, and menstrual cycle health, connecting women around the world with their cycles and their fertility — something our education systems have consistently failed to do. When I’m not researching, writing, and interviewing health professionals, you’ll find her spending time with her husband and her two sons. I conceived both of my sons naturally with my husband using the methods I help teach.



“I used fertility awareness for my method of birth control before having my 2 sons with my husband. I know how fertility monitoring helped my family building process, so I hope to educate others.” –Lisa Hendrickson-Jack


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Book The Fifth Vital Sign