• They are pregnant with multiples
• They have had a previous premature birth
• They have certain uterine or cervical abnormalities
There are various other numerous factors including socioeconomic status, nutrition of mother
during pregnancy, smoking or alcohol intake
during pregnancy or infections of kidneys, genitalia or ureters.
However to prevent premature labour,pls take a healthy diet and remain stress free. Also count the no. of contractions that you experience.