TY - GEN AU - Heyborne,Kent D AU - Allshouse,Amanda A TI - Do maternal obesity or smoking explain the lack of effectiveness of 17-alpha hydroxyprogesterone caproate? SN - 1097-6868 PY - 2018///0116 KW - Caproates KW - Female KW - Humans KW - Hydroxyprogesterones KW - Pregnancy KW - Smoking N1 - Publication Type: Letter; Comment UR - https://doi.org/10.1016/j.ajog.2017.07.014 ER -