Keywords: بافت چربی سفید مزانتریک; NIC; nicotine; JAK2; janus tyrosine kinase; STAT3; signal transducer and activator of transcription 3; SOCS3; suppressor of cytokine signaling 3; OB-R; leptin receptors; GD; gestational day; isSWAT; interscapular subcutaneous white adipose tissue; igSWAT;