Th1 and Th2 in human IVF pregnancy with allogenic fetus.

Problem: Positive obstetric outcome of allogenic in vitro fertilization (IVF) pregnancies makes interesting the subject of additional regulatory mechanisms after oocyte donation.

Method Of Study: Eighty eight women: 23 donation of oocytes (DO), 33 IVF, 32 natural conception (NC) were studied in first trimester of pregnancy. Intracellular production of cytokines and chemokine receptors expression were studied by flow cytometry.