As a general rule, it is usually best to prevent premature labour before 28 weeks so as to allow the fetus to mature.
NICE have given guidance concerning agents to consider for tocolysis (pharmaceutical agents to prevent premature birth and stop uterine contractions)
Annotations allow you to add information to this page that would be handy to have on hand during a consultation. E.g. a website or number. This information will always show when you visit this page.