Milk Production, The Placenta and Giving Birth Flashcards
Female exocrine glands are called?
Mammary Glands
Mammary Glands Function?
Produce and secrete milk for nourishment
Mammary tissues grow during pregnancy -WHY?
Increased hormones to support baby + produce milk
Progesterone prevents milk release during pregnancy- WHY?
Progesterone interferes with prolactin binding to the receptors on the alveolar cells within the breast
Lobules definition + function
A cluster of grapes in breast, manufacture & deliver milk
Relaxin function
relaxes the muscles of the cervix & vagina -> TO WIDEN THE BIRTH CANAL -allows the baby’s head to pass
Progesterone
decreases from the 7th month until birth to allow uterine contraction
Estrogen
Ever present-> feminizes & prepares the body for post-pregnancy conditions
Oxytocin
Uterine contractions and milk release
Why is milk released?
Stimulation by the baby’s LATCHING & SUCKLING
What occurs in milk release?
oxytocin causes contractions when sucking stops milk production ceases
What is colostrum?
A substance was given to the baby after the first 2-4 days of birth
What is parturition? + Three stages
process of giving birth,
Stage One- Water breaks
Stage Two- Pushing out baby
Stage Three- After birth uterus exits to prevent bleeding
What’s the placenta formed by?
Chorion and Endometrium
What is the colostrum rich in?
Antibodies, fats and sugars
What is the placenta made up of?
Blood vessels from mother and baby
What occurs after the first semester with the placenta?
The placenta controls the progesterone (pregnancy controls itself)
What is colostrum?
A substance was given to the baby after the first 2-4 days of birth
Placenta Function
the barrier between fetus and mother which prevents exchange of large proteins
