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Pregnancy After Breast Cancer: 74% Lower Mortality? | Dr. Jeffrey Dach | Keeping Abreast

Name: Pregnancy After Breast Cancer: 74% Lower Mortality? | Dr. Jeffrey Dach | Keeping Abreast
Uploaded: 2025-08-27T12:01:38+00:00
Duration: 26 s
Channel: Jenn Simmons, MD
Description: A short transcript excerpt from a YouTube video in which Dr. Jeffrey Dach summarizes published data claiming a 74% reduction in breast cancer mortality…

27 Aug 2025 · 0 min

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A short transcript excerpt from a YouTube video in which Dr. Jeffrey Dach summarizes published data claiming a 74% reduction in breast cancer mortality for patients who became pregnant after a breast cancer diagnosis. He attributes the effect to high pregnancy hormone levels—particularly estriol (E3)—and states that estriol targets ERβ (estrogen receptor beta), which he describes as a tumor suppressor receptor.

Questions this video answers

A 74% reduction in breast cancer mortality.

Estriol (E3), reported to target estrogen receptor beta (ERβ).

What he published. The data he published was that There was a 74% reduction in breast cancer mortality if the breast cancer patient had a pregnancy after the diagnosis of breast cancer. 74% reduction due to the very high hormone levels, the high estrogen, and not only that, the, remember, pregnancy hormones include very high estriol levels, which is E3, which is known to target ER beta, which is the tumor suppressor receptor.