Here's what happens during each stage of labor – from how long each stage lasts to what you might feel. Labor happens in three stages — early labor and dilation, pushing and delivery, and finally, ...

The early stages of labor can be filled with a range of emotions for expecting mothers including pain and uncertainty. Preparing yourself for the unexpected — to the best of your ability — ...

In a serendipitous discovery, UC San Diego researchers using cryo-EM technology captured the first visualizations of the 3-D structure of the muscle acetylcholine receptor in fetal and adult muscles.

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.

Women are capable of having three kinds of orgasm that have been dubbed the volcano, the wave and the avalanche, a study has found. Researchers working alongside sex toy company Lioness studied the ...

Using powerful new visualization technologies, researchers have captured the first 3-D images of the structure of a key muscle receptor, providing new insights on how muscles develop across the animal ...