Endometrial decidual growth 1 Estrogen 1 Nicotine tartrate 1 Progesterone 1 Pseudopregnancy 1 adrenal gland weight 1 animal experiment 1 animal model 1 animal tissue 1 article 1 controlled study 1 decidualization 1 estrogen 1 estrogen blood level 1 female 1 hormone determination 1 nicotine tartrate nonhuman 1 organ weight 1 ovary weight 1 priority journal 1 progesterone 1 progesterone blood level 1 pseudopregnancy 1 rat 1 uterus horn 1