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Relaxin helps prepare the female body for childbirth by relaxing pelvic ligaments and softening the cervix.
Ref: NCERT Class 12 Biology Chapter 2: Human Reproduction Male Reproductive System
During pregnancy, the placenta secretes progesterone, which helps maintain the uterine lining and prevent contractions.
Ref: NCERT Class 11 Biology Chapter 19: Chemical Coordination and Integration Mechanism of Hormone Action - Second Messengers
Progesterone, secreted by the corpus luteum and placenta, is essential for maintaining pregnancy.
Ref: NCERT Class 11 Biology Chapter 19: Chemical Coordination and Integration Gonads - Testis and Ovary Hormones
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