Drug used to prevent premature birth includes all except-
Ritodrin
Ergometrine
Magnesium sulfate
Atosiban
Ans. is 'b'i.e., Ergometrine Tocolyticso These drugs are used to decrease uterine contractions to delay the labour when there is premature onset of contraction. Tocolytic drugs are b2-agonists (ritodrin), magnesium sulfate, ethyl alcohol, progesterone, diazoxide, calcium channel blocker (nifedipine), atosiban (oxytocin antagonist), NSAIDs and nitrate.
Pregnancy