Pregn-€‹4-€‹ene-€‹3,€‹20-€‹dione, 17-€‹[(1-€‹oxohexyl)€‹oxy]€‹-; Pregn-4-ene-3,20-dione, 17-hydroxy-, hexanoate (7CI,8CI); Progesterone, 17-hydroxy-, hexanoate (6CI); 17-[(1-Oxohexyl)oxy]pregn-4-ene-3,20-dione; Hexanoic acid, ester with 17-hydroxypregn-4-ene-3,20-dione (8CI); 17-Caproxyprogesterone; 17alpha-Caproyloxy-P4; 17alpha-Caproyloxypregn-4-ene-3,20-dione; 17alpha-Caproyloxyprogesterone17alpha-Hydroxypregn-4-ene-3,20-dione caproate; 17alpha-Hydroxypregn-4-ene-3,20-dione hexanoate; 17alpha-Hydroxyprogesterone caproate; 17alpha-Hydroxyprogesterone hexanoate; 17alpha-Hydroxyprogesterone n-caproate; 3,20-Dioxopregn-4-en-17alpha-yl caproate; Delalutin; Depo-proluton; HPC; Hormofort; Hydroxyprogesterone caproate; Hydroxyprogesterone hexanoate; Hyproval PA; Lewntogest; NSC 17592; Neolutin; Pharlon; Primolut Depot; Procyte Depo; Proge; Progesterone caproate; Proluton Depot; Syngynon; Teralutil,(8R,9S,10R,13S,14S,17R)-17-acetyl-10,13-dimethyl-3-oxo-2,3,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl hexanoate,Hydroxyprogesterone Caproate is a synthetic progestin that reduces the chances of pre-term birth in women and improves specific fetal outcomes.,Progesterone