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Most Popular Exposure Topics
Exposures may impact your developing baby. Browse our most popular topics on the effects of medications, maternal health, substances, and other exposures. Is it safe for your baby?
Get the Facts
Our quick and easy-to-read Fact Sheets answer frequently asked questions about 250+ maternal health conditions, medications, and other exposures during pregnancy and breastfeeding.
Discover Our Pregnancy Studies
Our observational studies examine the effects of medications and health conditions during pregnancy. Your participation can help improve product safety information and help parents-to-be and health providers better navigate treatment decisions with more information on benefits or risks.
Our MotherToBaby experts have issued updates to our educational resources on COVID-19 during pregnancy and breastfeeding. Quickly find the essential information that you need.
Inclusion for All
MotherToBaby welcomes all individuals and families at all stages of their pregnancy and lactation journey and recognizes that not all people identify as “men” or “women.” We strive to use gender-neutral language when talking about pregnancy and lactation. By using inclusive and non-gendered terminology, we strive to enable all families to be empowered to reach their personal and familial pregnancy and lactation goals. While our name still contains a reference to “mothers”, we have updated our website and resources to use more inclusive terms where possible and where doing so allows the overall message to remain clear to the general population. We welcome feedback on any of the terms used and acknowledge that our understanding of these terms will evolve over time and is always better informed by open dialogue.
What Can MotherToBaby Offer You?
Resources for People Who Are Pregnant and/or Breastfeeding
Get easy-to-read information on benefits or risk of medications, drugs, or other exposures during pregnancy and while breastfeeding.
Your one-stop resource for patient education materials, teratogen information services, and research studies for pregnant and lactating patients.
Baby Blog News & Updates
Living with Lupus: Controlling Flares to Help Pregnancy Flourish
Katie recently reached out to us; she told us that she has lupus and has been taking hydroxychloroquine for years to successfully manage her lupus symptoms. Her concern? “I just found out I am pregnant and my rheumatologist was not sure if I can continue taking hydroxychloroquine during pregnancy. I am worried for my baby…
Read Living with Lupus: Controlling Flares to Help Pregnancy Flourish
Ep. 58: Lupus and Pregnancy
Dr. John Esdaile, the founding Scientific Director of Arthritis Research Canada, joins host Chris Stallman to talk about Lupus and the medications to treat the condition during pregnancy. He also discusses the strides being made in research and how others can get…
Latest Information about Medication Safety in Breastmilk Now Easily Accessible via New LactRx App
LactRx is sponsored by MotherToBaby, the Leading Resource on Exposures during Pregnancy and Breastfeeding BRENTWOOD, TN – The non-profit Organization of Teratology Information Specialists (OTIS), through its public-facing service known as MotherToBaby, launches LactRx, a free app providing current information on the…
View Latest Information about Medication Safety in Breastmilk Now Easily Accessible via New LactRx App
Pregnancy Due Date Calculator
Find out your estimated due date by entering the first day of your last menstrual period and your average cycle length. Did You Know? Only 1 in 20 babies are born on their actual due date. A normal pregnancy often lasts between 38 to 42 weeks, which keeps most parents guessing right up until labor starts!
Order free materials for patients and health providers about our information service and pregnancy studies.
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This website is supported by the Health Resources and Services Administration (HRSA) of the U.S. Department of Health and Human Services (HHS) as part of an award totaling $6,000,000 with zero percentage financed with non-governmental sources. The contents are those of the author(s) and do not necessarily represent the official views of, nor an endorsement, by HRSA, HHS or the U.S. Government.