it contains Puberty, Sexual maturity,  the effect of Seasons and Cycles, primary reproductive hormones, Stages, Duration, functional events of the estrous cycle, heat detection. ovulation, Fertilization, Gamete Transport, maternal recognition of pregnancy, Implantation, Pregnancy Diagnosis, Methods, Placentation, and Placenta, fetal Development, Parturition, Induction of parturition, Abortion, causes, Diagnosis, Prevention, and Control, Dystocia: Definition; Basic and Immediate causes, obstetrical instruments, Fetal malpositions, obstetrical procedures, maternal factors, RFM, Uterine Prolapse, metritis).