Medically reviewed by Peter Weiss, MD Key Takeaways During pregnancy, your belly button might change from "innie" to "outie" ...

There's a big learning curve when it comes to pregnancy. For many expecting parents, just thinking about contractions can be nerve-wracking because they are associated with pain and the start of labor ...

Are labour contractions always painful? How contractions feel for you depends on different things such as the position of ...

PIEZO1 transcripts in human uterine muscle at term. Green indicates smooth muscle fibers in the uterus, red marks PIEZO1 mRNA, and blue shows cell nuclei. LA JOLLA, CA—When labor begins, the uterus ...