TY - GEN AU - Heyborne,Kent D AU - Allshouse,Amanda A TI - Smoking, 17 Alpha-Hydroxyprogesterone Caproate, and Preterm Birth SN - 1098-8785 PY - 2018///0109 KW - 17 alpha-Hydroxyprogesterone Caproate KW - Adult KW - Female KW - Gestational Age KW - Humans KW - Hydroxyprogesterones KW - therapeutic use KW - Pregnancy KW - Premature Birth KW - epidemiology KW - Prevalence KW - Progestins KW - Secondary Prevention KW - Smoking KW - Young Adult N1 - Publication Type: Journal Article; Multicenter Study; Randomized Controlled Trial UR - https://doi.org/10.1055/s-0036-1586119 ER -