How a mother's lungs rise and bladder is squashed during pregnancy

The animation (pictured), made by the Chicago Museum of Science and Industry, shows the changes from conception to after birth when organs are squeezed and the heart works harder.

Twin pregnancy at 8 weeks: Symptoms, baby size, and fetal development

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How to Have a Baby – Bambino Mio (UK & IE)

How Your Body Changes in Pregnancy: The Respiratory System - The Pulse

4 Months Pregnant: Symptoms, Belly Size & Baby Development

How Organs Move During Pregnancy to Make Room for a Baby

Pregnancy exercises: 9 strength moves + 5 forms of cardio

Preeclampsia - Symptoms, Causes, Diagnosis

Mother's Day Science: How A Woman's Body Changes During 9 Months Of Pregnancy

Do's and Don'ts in Pregnancy

Pregnancy 2: effects on the respiratory and urinary systems