Introduction ; Important Terms used in Embryology ; History of Embryology ; Significance of Embryology ; Mechanism of Individual Controlling Growth ; Molecular Regulation of Development ; Gametogenesis ; Oogenesis and Maturation of Follicl ; Ovulation ; Ovarian Cycle ; Formation of Corpus Luteum ; Male Reproductive System; Female Reproductive System ; Structure of Secondary Oocyte; Menstrual Cycle ; Transportation of Gametes ; Fertilization ; Multi Pregnancy and Twins ; Uterine Growth during Pregnancy ; Contraception ; Pre-natal Diagnosis and Foetal Therapy ; Post-natal Test to detect Congenital Malformation ; Formation of Morulla ; Formation of Blastocyst ; Formation of Primary Mesoderm ; Formation of Villi ; Implantation of Blastocyst ; Inhibition of Implantation ; Development of Placenta ; Umbilical Cord ; Foetal Circulation ; Branchial Apparatus; Development of Platine Tonsil ; Thyroid Gland ; Development of Tongue; Folding of Embryo ; Development of Germ Layer