Muscle contraction is the tightening, shortening, or lengthening of muscles when you do some activity. It can happen when you hold or pick up something, or when you stretch or exercise with weights.

THE advantage of a standard list of contractions for periodical titles for general use in scientific journals would so outweigh initial inconveniences of changing present systems that it seems ...

Contractions are when the muscles of your uterus tighten and relax to get ready for childbirth. These muscles help push your baby down the birth canal. Once you reach week 37 of your pregnancy, it ...

Labor contractions are the physical way your uterus tightens to promote delivery of your baby. All body muscles tighten and shorten (contract) when they’re being used. And the uterus is one of the ...

A gush of water, being doubled over in pain, the head of your baby crowning. These are things many women picture when they think of labor. However, for most laboring women, these things take time and ...

Peng Du is a co-founder and has shares in Alimetry Ltd. He receives funding from Royal Society Te Apārangi and the US National Institute of Health. [email protected] is affiliated with The ...

If you are close to your due date, there are some things you may want to avoid if you don’t want to trigger contractions. Dehydration is one of the main causes of false and true labor contractions.

The idea that objects contract in length when they travel near the speed of light is a widely accepted consequence of Einstein’s special relativity. But if you could observe such an object, it ...

Guys, there is so much to look forward to about pregnancy and birth: the adorable socks, that thing babies do when they grab your finger, and, you know finally getting that other living thing out of ...

THE letter from Capt. Sheppard, under the above title, in NATURE of Aug. 25, raises a question of no little interest and importance to all those who are concerned in any way with the use of scientific ...

There's a big learning curve when it comes to pregnancy. For many expecting parents, just thinking about contractions can be nerve-wracking because they are associated with pain and the start of labor ...