Qazvin University of Medical Sciences b F. Rajaei Normal Pregnancy Prof. in Biology of Reproduction.

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Qazvin University of Medical Sciences b F. Rajaei Normal Pregnancy Prof. in Biology of Reproduction

PGC From primordial germ cells to oocyte and Spermatozoa Undif. Gonad Yolk Sac Testis Ovary PGC Spermatogonia Spermatogonia Spermatid Spermatid Sperm Primordial F. Primary F. Secondary F. Graafian F. MII SRY TDF Epiblast Puberty 7th m of fetal development

Oogenesis

Spermatogenesis

FSH leydig Cell Sertoli Cell ABP Testosteron Epididymis -Morphologic -Biochemical -Sialic AcidA -Glysrophosphocholine -Carnitine -Polylactosamine Role Of Epididymis -Motility -Capacutation

Fertilization

Embryo Implantation A- Apposition phase - Growth factor - Cytokines - Chemokines - Prostaglandines B- Adhesion phase - Steroids - Epithelial changes of endometer - Attachment Molecules -Integrins - Cadherins - L-Selectin - Immunoglobulins C- Invasion phase

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