Pregnant Women Get Conflicting Advice on Covid-19 Vaccines January 28, 2021 Auto Bot Centers for Disease Control and Prevention, Clinical Trials, Coronavirus (2019-nCoV), Medicine and Health, Moderna Inc, Pfizer Inc, Pregnancy and Childbirth, Vaccination and Immunization, Women and Girls, World Health Organization, your-feed-healthcare 0 The W.H.O. and the C.D.C. provide differing views, and experts partly blame a lack of data because expectant mothers have been excluded from clinical trials.