. 2022 Jan 10;129(7):1122–1132. doi: 10.1111/1471-0528.17041
© 2021 The Authors. BJOG: An International Journal of Obstetrics and Gynaecology published by John Wiley & Sons Ltd.
This is an open access article under the terms of the http://creativecommons.org/licenses/by/4.0/ License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.
FIGURE 1.
Study flow diagram