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.

12 weeks pregnant Raising Children Network

What happens when the bladder gets stitched to the uterus during a Caesarean section? - Quora

Incredible video reveals exactly how a mum-to-be's body grows at each stage of pregnancy

The Anterior Cervical Lip: how to ruin a perfectly good birth

Respiratory system

37 weeks pregnant: Symptoms, tips, and baby development

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

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

How Organs Move During Pregnancy to Make Room for a Baby