Development of the placenta and foetus are described in detail with the help of 11 well illustrated diagrams. Development of the placenta, circulation through placenta, developmental stages of the fertilized ovum, functions of placenta, variations of placenta, anomalies of placenta, amniotic fluid are given in detail. Development of foetus is described in detail from fertilization till 40 weeks of intrauterine life. Development of foetus in each trimester is described separately. 3 learning objectives are given in the beginning of chapter for better understanding of the subject. 5 references are given at the end of chapter for further reading.