Regarding: Worse outcomes of pregnancy in COVID-19 infection during parturition may be due to referral bias: analysis in a prospective cohort of 963 pregnancies
Am J Obstet Gynecol. 2022 Mar;226(3):451-452.
doi: 10.1016/j.ajog.2021.10.026.
Epub 2021 Oct 23.
1 Department of Obstetrics and Gynecology, All India Institute of Medical Sciences, Ansari Nagar, New Delhi 110029, India. Electronic address: [email protected].
2 Department of Obstetrics and Gynecology, Employees' State Insurance Corporation Medical College and Hospital, Faridabad, Haryana, India.
3 Department of Obstetrics and Gynecology, Post Graduate Institute of Medical Education & Research, Chandigarh, India.