This wiki info on Leukemia inhibitory factor details when this LIF cytokine is expressed:  LIF is normally expressed in the trophectoderm of the developing embryo. My mother’s friend is an alcoholic and birthed a daughter who had leukemia later at 20 yrs old and a son with behavioral issues. She has survived leukemia. Her son isContinue reading “First trimester health of fetus and leukemia, Leukemia inhibitory factor”