Exploring the role of ex vivo metabolism on blood and plasma measurements of oxytocin among women in the third stage of labour: a post-hoc study.
Victoria L OliverSarah SiedererAnthony CahnKatarzyna Gajewska-KnapikRachel A GibsonCleo GoodallCarl M J KirkpatrickJack MurrayTri-Hung NguyenIan SchneiderPete LambertMichelle P McIntoshSimon ParryPublished in: British journal of clinical pharmacology (2023)
Collection of blood from late-stage pregnant women into tubes containing EDTA inhibits oxytocinase effectively stabilises oxytocin, suggesting low concentrations of oxytocin after dose administration reflect rapid in vivo metabolism.