Blogger Mary Dell Harrington wanted to give her son a sibling, but three miscarriages had her feeling defeated.
As a result, she and her husband got together and "decided we needed to re-examine how we were living our lives, and make changes where we could."
Spoiler alert: these changes, "coupled with good doctors," are what Harrington credits for her ultimately being able to have another baby.
Watch Mary Dell Harrington tell her inspiring story to HuffPost Live's Caroline Modarressy Tehrani above.
Did you get a new job? New spouse? New city? We want to hear from you! Share your stories of life-changing breakthrough moments with HuffPost's Third Metric at email@example.com.