Half-life biological of oxytocin:
Oxytocin is a nanopeptide synthesised by supraoptic and paraventricular nuclei of hypothalamus. It is rapidly metabolised and degraded by oxytocinase and hence has a half life of 3 - 4 minutes and a duration of action of approximately 20 minutes. (DC Sutta TB of obstetrics 8th edtn pg 573)
2-3 min
3-4 min
5-6 min
7-8 min
Abnormal labor