supistuksiksi
Supistuksiksi is a Finnish term that broadly refers to contractions or spasms. In a medical context, it most commonly describes uterine contractions, particularly those experienced during pregnancy. These can range from mild, irregular Braxton Hicks contractions, often referred to as "practice contractions," to the more regular and intense contractions that signal the onset of labor.
The term can also be used more generally to describe involuntary muscle tightening in other parts of