Mothers with higher twinning propensity had lower fertility in pre-industrial Europe
3 institutional releases
Published in Nature Communications · View the paper (DOI)
A new analysis of over 100,000 births reveals that women with a high chance of having twins generally have reduced fertility. The study found that twin survival and increased pregnancies can compensate for reproductive aging, leading to higher total child numbers.
Coverage from 3 institutions
- The birth of twins is not linked to women's fertility CNRS · May 24, 2022 · first to report
- Mothers of twins are not more fertile, just lucky Leibniz Institute for Zoo and Wildlife Research (IZW) · May 24, 2022
- Twin mothers aren’t more fertile – just luckier Norwegian University of Science and Technology · Aug 2, 2022