A–Z Glossary

Venous return

Venous return is the flow of blood through the veins back to the heart.

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Exercises to avoid during pregnancy

Exercises to avoid during pregnancy

Why some workouts become less suitable in pregnancy Pregnancy changes several systems that matter for exercise safety. The center of gravity shifts forward, joints may feel less stable because of hormonal effects on connective tissue, and many people fatigue sooner than they did before conception. None of that means exercise should stop; it means the […]

Is sleeping on back always dangerous

Is sleeping on back always dangerous

Back sleeping in pregnancy: the short answer No, sleeping on your back is not always dangerous. In pregnancy, the concern is context-dependent. Many people can lie on their back for short periods without any obvious problem, especially earlier in pregnancy. What changes over time is that the growing uterus can press on major vessels and […]

Can sleeping position harm the baby myth

Can sleeping position harm the baby myth

The myth: one wrong sleep position can hurt the baby The most distressing version of the myth suggests that a single night, nap, or accidental roll onto the back can directly injure the baby. That is not how the evidence is usually interpreted. Pregnancy sleep guidance is about risk reduction at a population level, not […]