Research on wearable device.
1. Visualizing the inside baby http://www.tuvie.com/prevue-fetal-visualization-device-by-melody-shiue/
2. Body shields, pregnancy experience  http://www.wearable-technologies.com/2013/08/wearables-for-pregnancy-and-newborns/
3. Reliable wearable that senses measuring the electrical activity of the uterus.  http://www.emdt.co.uk/daily-buzz/medtech-start-ups-novel-wearable-patch-allows-pregnant-women-measure-contractions
4. Bellabeat: Through Bellabeat’s device, women can hear, record, and share their baby’s heartbeat; monitor their baby’s movement and development; track and analyze their pregnancy weight gain; organize prenatal care, and calculate relevant dates throughout the pregnancy. http://venturebeat.com/2014/02/13/bellabeats-device-lets-women-track-and-analyze-their-pregnancy-from-home/