"Firstly what is preterm labour? Generally any kind of delivery which happens before 37 weeks is taken as a Preterm labour. But if at all it happens before for 32 weeks that's when we say that it's Borderline pre term and if it is less than 28 weeks of your complete 40 weeks of pregnancy that's when we say that it's an extreme pre-term labour. So when should you be worried that you might be going into pre-term labour is if there is any kind of a repeated pain in your lower abdomen where you feel that there is a complete tightness. Together with this if there is any kind of a increased vaginal discharge which is almost like a fluid leaking outside or if there is any bleeding that is unusual during your second and third trimesters. These are the general signs and symptoms that you might be probably going into a Preterm labour. There are some women who are very high risk towards a preterm labor those people who are very stressed out, who are going through undue physical strain, who have previously had a preterm labour as well as multiple pregnancies, that is twins and triplets. Apart from this medical conditions like diabetes mellitus as well as hypertension can also cause Preterm labour pains. So be aware of this and make sure you understand your pregnancy properly so that you would know whether you are a prime suspect or a cause going through a pre-term labor or not"