Your story has the
power to shape
the future of
pregnancy care

With your help, we can bring critical health data to medical professionals and raise the standard of pregnancy care.

When you join one of our studies, you will be asked to:
  • Fill out short, easy surveys at no risk to you or your baby
  • Complete surveys online at your convenience
  • Tell us about any side effects you had after taking a medication or vaccine
  • Upload medical records from you and your baby

Ongoing Studies

1230 Participants


The Pregistry International Pregnancy Exposure Registry (PIPER) is a study of pregnant people to understand the safety profile of medications and vaccines when used during pregnancy. Online surveys are used to collect information about pregnant mothers and their babies up to 12 months after birth. If you are pregnant now and 18 years of age or older, sign up for this study.

Join the study
8172 Participants


The COVID-19 Vaccines International Pregnancy Exposure Registry (C-VIPER) focuses on the safety of COVID-19 vaccines during pregnancy. If you are 18 years of age or older, currently pregnant, and have had a COVID-19 vaccine during this pregnancy or right before this pregnancy, you qualify for this study.

Join the study
368 Participants


With more than 360 participants and counting, the COVID-19 International Drug Pregnancy Registry (COVID-PR) focuses on monoclonal antibodies and antivirals used to treat COVID-19 during pregnancy. If you are age 18 years of age or over, currently pregnant or recently pregnant, and were treated for COVID-19 during pregnancy in a healthcare facility or doctor’s office, you may qualify for this study.

Join the study

Completed Studies

17318 Participants

International Registry of Coronavirus
Exposure in Pregnancy (IRCEP)

The IRCEP studied pregnant and recently pregnant people who were or may have been infected with SARS-CoV-2, the virus that causes COVID-19. Read our scholarly articles about this study here.

Pharmaceutical partners: Johnson & Johnson and Regeneron
Academic partner: Department of Epidemiology, Harvard TH Chan School of Public Health.

6894 Participants

Mental Health and Wellbeing of Pregnant and Recently Pregnant People During the COVID-19 Pandemic

We studied an international sample of 6894 pregnant people from 64 countries to learn about how the COVID-19 pandemic impacted their mental health and wellbeing. Read our scholarly articles about this study here.

Academic partner: Department of Psychiatry, Massachusetts General Hospital

17871 Participants

Vaccine Hesitancy Among Pregnant Women and Mothers of School-Aged Children

We asked 17871 study participants from 16 countries if they would get a COVID-19 vaccine for themselves while pregnant or for their children. Read our scholarly articles about this study here.

Academic partner: Department of Global Health and Population, Harvard TH Chan School of Public Health

Your privacy is our priority

Your and your child’s identities are always fully protected

All information is stored in a highly secured database

Independent cybersecurity experts regularly check our systems

Your personal information is kept is a highly secure location