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Privacy policy3 public questions tagged with this topic.
Human placental lactogen (hPL) is secreted by the placenta and helps prepare the breasts for lactation by altering maternal metabolism.
Ref: NCERT Class 12 Biology Chapter 2: Human Reproduction Menstrual Cycle Fertilization Implantation Pregnancy Parturition Lactation
Maternal cardiac output increases during pregnancy due to increased blood volume and heart rate to meet the metabolic demands of both mother and fetus.
Ref: NCERT Class 12 Biology Chapter 2: Human Reproduction Male Reproductive System
Erythroblastosis fetalis occurs when an Rh-negative mother carries an Rh-positive fetus.
Ref: NCERT Class 11 Biology Chapter 15: Body Fluids and Circulation Lymph and Circulatory Pathways
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