Multiple choice

Which of the following is uterine relaxant with the least side effect?

  1. Ritodrine

  2. MgSO4

  3. Nifedipine

  4. Progesterone
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

MgSO4 is effective uterine relaxant (tocolytic) with favorable safety profile when monitored properly. Ritodrine has more cardiovascular side effects. Nifedipine is also used but MgSO4 has additional neuroprotection benefits in preeclampsia. Progesterone supports pregnancy but isn't a direct tocolytic.

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