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EBB 384 - Evidence on "What is a Due Date?"

Evidence Based Birth®

Release Date: 01/21/2026

Induction Bootcamp Coming Soon show art Induction Bootcamp Coming Soon

Evidence Based Birth®

Learn more about EBB's upcoming Induction Bootcamp on Tuesday, April 28 from 2:00 - 4:30 PM EDT. To save your seat or access the replay, join the EBB Pro Membership for just $39 for your first 30 days: .

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EBB 395 - Postpartum Practices from African American Traditions with Shafia Monroe, Midwife and Author of Mothering the Mother show art EBB 395 - Postpartum Practices from African American Traditions with Shafia Monroe, Midwife and Author of Mothering the Mother

Evidence Based Birth®

Postpartum care wasn’t always rushed, clinical, or isolating. In many African-American communities, the weeks after birth were treated as sacred time where families and communities gathered to care for the mother so she could focus on caring for her baby.   In this episode, Dr. Rebecca Dekker talks with renowned midwife, cultural historian, and author Shafia Monroe about the traditions documented in her new book Mothering the Mother: African-American Postpartum Traditions, Recipes, and Healing. Mama Shafia shares how historically rooted postpartum practices—from the 42-day...

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REPLAY: EBB 357 - Making Decisions about Elective Induction of Labor with Dr. Ann Peralta & Kari Radoff, CNM, from Partner to Decide show art REPLAY: EBB 357 - Making Decisions about Elective Induction of Labor with Dr. Ann Peralta & Kari Radoff, CNM, from Partner to Decide

Evidence Based Birth®

Every pregnant person deserves the information and support they need to make truly informed decisions about labor induction. In this encore episode, Dr. Rebecca Dekker talks with Dr. Ann Peralta and Kari Radoff, CNM, the co-creators of Partner to Decide, a nonprofit improving decision-making in perinatal care. They discuss their free, multilingual decision aid that helps families understand their options around routine induction of labor and empowers them to advocate for their own values, preferences, and autonomy. Ann shares how her own birth experience, shaped by access to education and...

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EBB 394 - Team EBB's Stance on AI in our Workplace show art EBB 394 - Team EBB's Stance on AI in our Workplace

Evidence Based Birth®

Artificial intelligence is rapidly changing how people search for information, including how families learn about pregnancy and birth. As this technology grows, it raises important questions about accuracy, ethics, and the role of human expertise in healthcare information.   In this episode, Dr. Rebecca Dekker and Dr. Sara Ailshire share a behind-the-scenes look at how Evidence Based Birth® developed its own AI policies. They discuss concerns about misinformation, bias, privacy, and environmental impact, as well as the potential effects on critical thinking and human connection.  ...

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EBB 393 - Evidence on Inducing at 41 Weeks or Later show art EBB 393 - Evidence on Inducing at 41 Weeks or Later

Evidence Based Birth®

At the 41-week mark in pregnancy, conversations and decisions about induction can start to feel more urgent and complex. In this episode, Dr. Rebecca Dekker and Dr. Sara Ailshire share why the 41st week has become such a focus in maternity care and what the evidence actually says about induction at this milestone.   They discuss elective induction versus expectant management and key findings from major studies like the INDEX and SWEPIS trials. They also talk through potential benefits and risks, including changes in stillbirth risk, newborn outcomes, and maternal experiences.   ...

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EBB 392 - Enduring a 54-Hour Long Induction for Preeclampsia with Paige Wener and Kevin Booth, Graduates of the EBB Childbirth Class show art EBB 392 - Enduring a 54-Hour Long Induction for Preeclampsia with Paige Wener and Kevin Booth, Graduates of the EBB Childbirth Class

Evidence Based Birth®

EBB Childbirth Class Graduates Paige Wener and Kevin Booth hoped for a low-intervention water birth at their midwife-led birth center in rural Vermont. But at 38 weeks and 6 days, a routine prenatal visit led to a surprise diagnosis of preeclampsia and recommendation for induction. In this episode, Paige and Kevin share the story of their 54-hour induction, including misoprostol, a Cook catheter, Pitocin, and eventually an epidural after more than a day of labor, with Kevin supporting Paige with counterpressure, movement, and comfort measures along the way. Paige also shares about recovering...

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EBB 391 - Electronic Fetal Monitoring Advocacy Tips with Dr. Jennifer Lincoln, OB/GYN and Author of The Birth Book show art EBB 391 - Electronic Fetal Monitoring Advocacy Tips with Dr. Jennifer Lincoln, OB/GYN and Author of The Birth Book

Evidence Based Birth®

Electronic fetal monitoring is one of the most common interventions in hospital birth, but it's also one of the least understood. In this episode, Dr. Rebecca Dekker talks with board-certified OB-GYN Dr. Jennifer Lincoln about what continuous electronic fetal monitoring actually does, what the research says, and why it became such a routine part of labor care in the first place. With recent media attention shining a spotlight on this technology, they break down the history, the evidence, and the real-world pressures that shape how it’s used today. Learn why continuous monitoring can increase...

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EBB 390 -  Simple but Effective Communication Techniques for Hospital Birth with Dr. Amber Weiseth, DNP, RNC-OB of Ariadne Labs and TeamBirth show art EBB 390 - Simple but Effective Communication Techniques for Hospital Birth with Dr. Amber Weiseth, DNP, RNC-OB of Ariadne Labs and TeamBirth

Evidence Based Birth®

In this episode, we explore how the traditional “game of telephone” model in hospitals can leave birthing people out of critical decisions about their own care and what happens when we redesign the system to center them instead. Dr. Rebecca Dekker sits down with Dr. Amber Weiseth, obstetric nurse and Director of the Delivery Decisions Initiative at Ariadne Labs, to talk about TeamBirth—a simple, evidence-based communication model transforming labor and delivery units across the U.S. and globally. Learn how structured bedside “huddles,” shared decision-making, and a visible planning...

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EBB 389 - The Global Impact of Midwifery with Stephanie Marriott, Midwife Advisor for the International Confederation of Midwives show art EBB 389 - The Global Impact of Midwifery with Stephanie Marriott, Midwife Advisor for the International Confederation of Midwives

Evidence Based Birth®

Some of the most effective solutions for improving birth outcomes worldwide are rooted in relationships, not technology. In this episode, Dr. Rebecca Dekker speaks with midwife Stephanie Marriott of the International Confederation of Midwives about the global impact of midwifery care. She outlines what defines a midwifery model of care, why continuity of midwife-led care matters for both outcomes and experiences, and how trust and relationship-based care can influence Cesarean rates, trauma-informed care, and access to services. Stephanie draws on her work across the U.K., Asia, and Africa to...

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EBB 388 - Updated Evidence on Induction for Gestational Diabetes show art EBB 388 - Updated Evidence on Induction for Gestational Diabetes

Evidence Based Birth®

Gestational diabetes (GDM) is one of the most common reasons families are advised to plan for an early birth. But what does the evidence actually say about induction for GDM? Does it lower the risk of Cesarean? Prevent big babies? Reduce stillbirth? Or does the timing matter more than the induction itself? In this episode, Dr. Rebecca Dekker and Dr. Morgan Richardson Cayama walk through the updated research on induction for gestational diabetes. You’ll learn how outcomes differ before 39 weeks, between 39–40 weeks, and after 41 weeks, and why blood sugar control (diet-controlled versus...

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More Episodes
What is a due date, and how accurate is it, really? Dr. Rebecca Dekker is joined by Dr. Sara Ailshire of Team EBB to walk through the latest research on due dates, pregnancy length, and what happens when pregnancies go past term. They share the new research on ultrasound dating, the natural length of pregnancy, genetics, and stillbirth risk. They also talk about what a due date actually represents and how pregnancy length varies widely between individuals.
 
Content Note: This episode contains discussion of stillbirth, starting at 26:10 and ending at 40:57. Please take care while listening.
 
Read the Evidence on "What is a Due Date?" here.
 
(05:24) What is a due date and what it isn’t
(06:16) How due dates are traditionally calculated
(09:45) Research on ultrasound accuracy
(12:25) Safety of ultrasound & the ALARA principle
(16:38) Why studying pregnancy length is complicated
(22:27) Genetics and family history of longer pregnancies
(25:41) Why providers worry about going past due dates
(27:50) Understanding stillbirth risk and the U-shaped curve
(34:20) Racial disparities in stillbirth risk
(38:37) What pregnant people can do to lower risk
(40:25) Sleep position, fetal movement awareness, and prenatal care
(44:06) Balancing trust in birth with honest risk communication
(45:20) What we know (and don’t know) about placental aging
 
Resources
Star Legacy Foundation: https://starlegacyfoundation.org/
Healthy Birth Day: https://healthybirthday.org/
Share Pregnancy and Infant Loss Support: https://nationalshare.org/