Future directions in research
| Study type | Variables to be captured |
| Observational cohort study (pregnant elite and competitive amateur athletes) | Exercise activity in daily live (wearables) |
| Training activities (wearables) | |
| Fetal heart rate (non-invasive, wireless monitoring systems, wearables) | |
| Interventional study | Fetal heart rate monitoring (non-invasive, wireless monitoring systems, wearables) with live feedback function (in case of fetal heart rate deceleration) |
| Maternal heart rate in daily live and during activity (wearables) | |
| Uterine contractions (non-invasive, wireless monitoring systems, wearables) |