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Pregnancy and Embryonic Development, Parturition and Lactation Video Lecture - NEET

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1. What is the process of embryonic development during pregnancy?

Ans. Embryonic development during pregnancy involves the fertilization of the egg by sperm, followed by implantation of the fertilized egg into the uterus lining. The embryo then undergoes various stages of development, including cell division, differentiation, and the formation of major organs and body systems.

2. How does parturition occur in humans?

Ans. Parturition, or childbirth, in humans typically occurs through a series of events. Firstly, the fetus grows and develops inside the uterus for approximately nine months. As the due date approaches, the cervix begins to soften and thin out, allowing it to widen during labor. Contractions of the uterine muscles then help push the baby through the birth canal and out of the mother's body.

3. What are the hormones involved in pregnancy and lactation?

Ans. Several hormones play crucial roles in pregnancy and lactation. During pregnancy, the hormone progesterone helps maintain the uterine lining and supports the growth of the fetus. Additionally, estrogen and human chorionic gonadotropin (hCG) are also important hormones during pregnancy. After childbirth, the hormone prolactin stimulates milk production, while oxytocin triggers the release of milk from the breasts during breastfeeding.

4. How long does the average pregnancy last?

Ans. The average duration of pregnancy is around 40 weeks, calculated from the first day of the woman's last menstrual period. However, it is important to note that individual pregnancies can vary in length. Preterm birth, where delivery occurs before 37 weeks of gestation, and post-term birth, where delivery occurs after 42 weeks, are also possibilities.

5. What are the benefits of breastfeeding for both the mother and the baby?

Ans. Breastfeeding provides numerous benefits for both the mother and the baby. For the baby, breast milk contains essential nutrients, antibodies, and growth factors that support healthy development, boost the immune system, and reduce the risk of certain health conditions. Breastfeeding also promotes bonding between the mother and the baby. For the mother, breastfeeding helps with postpartum recovery, reduces the risk of postpartum bleeding, and may lower the risk of certain cancers and chronic diseases later in life.

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Pregnancy and Embryonic Development, Parturition and Lactation for NEET2024 is part of NEET preparation. The notes and questions for Pregnancy and Embryonic Development, Parturition and Lactation have been prepared according to the NEET exam syllabus. Information about Pregnancy and Embryonic Development, Parturition and Lactation covers all important topics for NEET2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises and tests below for Pregnancy and Embryonic Development, Parturition and Lactation.

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