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Why is estrogen important during pregnancy?

Extra estrogen is critical to you and your developing baby. It stimulates the growth of the uterus, enlarges your milk ducts, and makes the cells that line your vessels secrete nitric oxide, which opens them up. This ensures that blood can run freely to and from your placenta, bringing in nutrients, ferrying out waste, and creating the perfect little darling who will soon be trying to eat Tupperware.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.