Antenatal steroids have saved countless babies, but the biggest question in obstetrics is no longer whether they work. It’s when, how much, and for whom. And the answers are changing fast. Enjoy this incredible plenary from MBEC 2026 in Seattle, Washington. Previous podcast guest and MBEC 2027 speaker Dr. Hector Chapa breaks down the evolving science behind fetal maturation, from the original 1972 sheep study to the newest guidance reshaping practice today.

If you care for preterm patients, teach residents, need to understand why long-held assumptions about steroids are being rewritten, or just want to dive into an interesting and fascinating topic in obstetrics, this episode is for you. Dr. Chapa shows why “fetal maturation” is bigger than lung development, why the old 24-to-48-hour rule is outdated, and why the traditional seven-day rescue window may soon be history.

If you’re a medical professional, student, resident, or midwife, please join us for MBEC 2027 in St. Louis, Missouri, from February 26-28,2027.

Resources:

• Learn more about MBEC 2027.
• Interested in becoming a sponsor or exhibitor? Learn more here.
• Check out Dr. Chapa’s OBGYN No Spin Podcast.

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