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Role of hormone during pregnancy

More than 30 different hormones are secreted in the mother's body throughout the pregnancy. Some of them are especially secreted during pregnancy. For example - Oxytocin, prolactin, HCG, relaxin, etc. Nutritional status and mother's health influence the production of these hormones.

Role of hormone in pregnancy

HORMONES

SOURCES OF SECRETIONPRINCIPLE EFFECTS

  • Estrogen

Placenta 
  • The growth and maturation of the ovarian follicles are stimulated by estrogen
  • Stimulate breast development during pregnancy
  • Estrogen helps in the growth of the vagina
  • Estrogen increases the motility of the fallopian tube
  • It also causes pigmentation of the areola
  • Progesterone
Placenta
  • Stimulate breast development during pregnancy
  • In conjunction with estrogen, it helps in the differentiation of ductal tissue
  • Favours maternal fat deposition
  • Interferes with folic acid metabolism
  • Under the influence of progesterone, the vagina secretes thick mucus and shows leucocytic infiltration
  • Luteinising hormone (LH)
Anterior pituitary
  • Stimulates ovulation and formation of corpus luteum
  • Stimulates estrogen and progesterone synthesis in ovaries which have an important role 
  • Oxytocin
Posterior pituitary
  • Stimulates milk ejection from breasts and uterine contractions during labor
  • Myoepithelial cells present around the alveoli of breast tissue, their contraction is stimulated by oxytocin
  • Prolactin
Anterior pituitary
  • Along with estrogen and progesterone, it plays an important role in the growth of the breasts in the female, especially during pregnancy
  • In milk production prolactin is very essential
  • Human chorionic gonadotropin (hCG)
Placenta
  • Promotes growth of corpus luteum and secretion of estrogen and progesterone by corpus luteum
  • Stimulates thyroid hormone production
  • Human placental lactogen
Placenta
  • Helps in the development of mothers breast
  • Elevates blood glucose from glycogen breakdown
  • This hormone has some milk forming activity
  • Relaxin
Placenta
  • Controls movement of uterine muscle and helps to dilate the cervix towards the end of pregnancy to enable childbirth
  • Human growth hormone
Anterior pituitary
  • Promotes nitrogen retention
  • Stimulates growth of long bones



Conclusion:

Here I have described which of the hormones play an important role during pregnancy. If you think it is helpful for you and you want more of these kinds of articles than leave a comment for me in the comment box.
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