When an expectant mama starts to experience contractions, it's important that she keeps an eye on their duration and frequency — especially if she is nearing her due date. Between the pain and pressure, it can be easy to forget to take note of when the contractions are happening. But like most other things, there's a techie solution! ContractionMaster.com tracks the tightening for you. This free site helps pregnant mothers and their partners time labor contractions so you know if they are progressing and if you should call your OB/GYN.