J Reprod Infert arij001 Journal of Reproduction & Infertility 2228-5482 2251-676X Avicenna Research Institute jri668 Existence of Microchimerism in Pregnant Women Carrying a Boy! Minai-TehraniArashNanobiotechnology Research Center, Avicenna Research Institute, ACECR, Tehran, IranAminiMehdiReproductive Biotechnology Research Center, Avicenna Research Institute, ACECR, Tehran, IranGilanyKambizReproductive Biotechnology Research Center, Avicenna Research Institute, ACECR, Tehran, Iran 17 1 64 66 23 12 2015 11 2 2016

<p>Microchimerism is considered as the occurrence of small populations of cells with a diverse genetic setting within a person. Tissue microchimerism is enhanced during pregnancy and is frequently associated with femaledominant autoimmune disorders, response to injury from malignancy, and transplantation effect.</p>