science1 publisher
A 140-species review puts fetal sex inside the obstetrical dilemma
Male newborns are the heavier sex in most placental mammals the authors surveyed, which makes birth risk unequal for sons and daughters. Whether that inequality causes obstructed labour is still untested outside humans and farm animals.
Publishers:phys.org
Reality
- Evidence62
- Adoption
- Insufficient
- Hype gap+12
- Incentives
- Insufficient
- Confidence55