In medicine (obstetrics), cardiotocography (CTG) is a technical means of recording the fetal heartbeat and the uterine contractions during pregnancy. The machine used to perform the monitoring is called a cardiotocograph, more commonly known as an electronic fetal monitor (EFM).
I think the reason why long distance relationships donât work is because of a lack of commitment from both parties and because often the relationship drags on without either person ever planning to move (so no light at the end of the long distance relationship tunnel).
4. Long-term relationships mean better mental health for women, better physical health for men. And not only that, but the benefits increase as time goes on, according to an editorial published in the student British Medical Journal. However, research from Cardiff University acknowledged that relationships can have negative effects too -- particularly when it's a strained one.