Pregnancy Flashcards
Presumptive signs of pregnancy
Assumed signs of pregnancy until more concrete signs develop
Probable signs of pregnancy
More reliable signs of pregnancy
Dextroversion
The uterus moving towards the right during pregnancy.
Lactogenesis
The term used to describe milk making.
Lactogenesis 1
The differentiation of alveolar epithelial cells into lactocytes that secrete colostrum from around 16 weeks gestation.
Lactogenesis 2
Occurs in response to a rise in prolactin hormone and a decrease in pregnancy. It leads to an onset of copious milk secretion which occurs between 32 and 96 hours after birth.
Lactogenesis 3
The long-term maintenance of milk production
Lactocytes
Milk producing cells
Myoepithelial cells
A series of muscle cells in the breast which help to squeeze the milk down the ducts to the openings in the nipple.
Aerola
The pigmented area at the centre of the breast
Lobules (alveoli)
The mammary glands that produce and secretes milk
Ducts
Carry the milk secreted by the lobules through the breast tissue to the opening at the nipple
Prolactin
The hormone responsible for milk production
prenatal
period between fertilisation and birth
Germinal
first 14 days
embryo
2-8 weeks
foetus
8 weeks to birth
neonate
up to 1 month after birth
infant
1 month to 2 years
child
2 years to puberty