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Ovulation triggers the transition from the follicular phase to the luteal phase, during which the corpus luteum forms.
Ref: NCERT Class 12 Biology Chapter 2: Human Reproduction Menstrual Cycle Fertilization Implantation Pregnancy Parturition Lactation
hCG, secreted by the trophoblast, maintains the corpus luteum and ensures continued progesterone production during early pregnancy.
Ref: NCERT Class 12 Biology Chapter 2: Human Reproduction Menstrual Cycle Fertilization Implantation Pregnancy Parturition Lactation
In early pregnancy, the corpus luteum is the primary source of progesterone until the placenta takes over later in gestation.
Ref: NCERT Class 12 Biology Chapter 2: Human Reproduction Menstrual Cycle Fertilization Implantation Pregnancy Parturition Lactation
Progesterone, secreted by the corpus luteum, helps maintain pregnancy by supporting the uterine lining.
Ref: NCERT Class 11 Biology Chapter 19: Chemical Coordination and Integration Gonads - Testis and Ovary Hormones
After ovulation, the corpus luteum secretes progesterone, which helps maintain pregnancy.
Ref: NCERT Class 11 Biology Chapter 19: Chemical Coordination and Integration Gonads - Testis and Ovary Hormones
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