About Us

MotherToBaby, a service of the non-profit Organization of Teratology Information Specialists (OTIS), is the nation’s leading authority and most trusted source of evidence-based information on the safety of medications and other exposures during pregnancy and while breastfeeding. Our information service is available to mothers, healthcare professionals, and the general public. We also conduct state-of-the-art research on the safety of medications and vaccines in pregnancy.

  • History
  • Mission & Goals
  • Funding
  • OTIS Membership

Our History

The Organization of Teratology Information Specialists (OTIS) is the professional scientific society made up of the experts that provide the MotherToBaby service, and the researchers that perform the MotherToBaby pregnancy studies. OTIS was established in 1987 as a way of connecting world-renowned experts in the field of birth defects research to the general public. OTIS was incorporated in April 1999 as a nonprofit organization. In 2002 OTIS established a national call routing system so that anyone in North America calling the toll-free number, 1-866-626-6847, would be routed to an affiliated service to speak with an expert.

In 2013, OTIS announced MotherToBaby, a name for its public-facing service and research studies. Today, MotherToBaby affiliates around the world provide the most cutting-edge and up-to-date information about the risks of medications, chemicals, herbal products, illicit drugs, diseases and much more during pregnancy and while breastfeeding. OTIS and its information service, MotherToBaby, are suggested resources by many agencies including the Centers for Disease Control and Prevention (CDC). More than 100,000 women and their health care providers seek information about birth defect prevention from OTIS and MotherToBaby every year.

Learn about our Leadership

Our Mission & Goals


MotherToBaby, a service of the non-profit Organization of Teratology Information Specialists, is dedicated to providing evidence-based information to mothers, health care professionals, and the general public about medications and other exposures during pregnancy and while breastfeeding. MotherToBaby affiliates support and contribute to worldwide initiatives for teratology education and research.


  • Provide counseling to patients and health care professionals about exposures related to pregnancy and breastfeeding, so they can make informed treatment choices.
  • Reduce risks and decrease the number of preventable birth defects by educating the public and health care providers about specific agents of concern.
  • Empower patients with accurate information about the true risks of an exposure, thereby preventing unnecessary terminations of wanted pregnancies.
  • Facilitate communication and collaboration between affiliated services.
  • Contribute collectively to research and the worldwide literature in the field of teratology.


As a non-profit private corporation, OTIS’ MotherToBaby service receives funding from a number of different sources including:

  • Membership Dues: Health care professionals and members of the general public who have an interest in the field of teratology are invited to join OTIS, the professional organization behind the MotherToBaby service.
  • Donations: MotherToBaby receives donations from both private individuals and from companies and businesses. If you are interested in making a donation, please click here.
  • Grants: MotherToBaby applies for and has received grants from government sources such as the Centers for Disease Control and Prevention and the Health Services Research Administration.
  • MotherToBaby Pregnancy Studies Conducted by OTIS: OTIS conducts pregnancy registries for pharmaceutical companies and other research organizations.

MotherToBaby affiliates are generally individually funded at the state or provincial level.

The development of MotherToBaby’s website was supported by the Health Resources and Services Administration (HRSA) of the U.S. Department of Health and Human Services (HHS) under grant number UG4MC27861, “Reproductive and Environmental Health Network” (total award amount $1,100,000; 28% financed with nongovernmental sources). This information or content and conclusions are those of the author and should not be construed as the official position or policy of, nor should any endorsements be inferred by HRSA, HHS or the U.S. Government.

OTIS Membership

Members of the Organization of Teratology Information Specialists (OTIS) come from a wide variety of professional backgrounds; all of us are committed to assessing, evaluating, and researching risks to pregnancy and breastfeeding from environmental exposures.

If you share our commitment, please consider joining us.

Learn more about OTIS Membership

Meet Our Experts

Meet the experts behind the MotherToBaby service.

Our Experts


Find a MotherToBaby service near your area!

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Pregnancy Studies

Helping future moms and babies through research.

View our Pregnancy Studies

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