Fetal Development and Birth Flashcards
(53 cards)
whats the msot common vitamin that can be harmful if consumed in large amounts
vitamin C
what happens to the umbilical cord after the baby is born and is breathing normaly
its clamped cut and tied; it eventually dries up and becomes the navel
define labour
all the events associated with the birthing process
reasons a man may be sterile or infertile (4)
- obstruction in ductus deferens or epididymis
- low sperm count
- high proportion of abnormal or non viable sperm
- inability to achieve an erection or ejaculation
approximately how many weeks from the formation of a single fertilizated cell till a baby is ready to be born
40 weeks
difference between sterile and infertile
sterile = unable to have children
infertile = when they have been trying conceive for a minimum of a year unsuccessfully
what do the alveoli end in
mammary ducts at the nipple
whats the main difference between the embryonic and fetal period
in the embryonic most of the organs are taking shape, the fetal the organs are present and continue to develop
what do the events of parturition and labour usually begin with
uterine contractions
when does the anterior p8ituitary begin to produce and secrete prolactin
once the mother has give birth
what happens before milk production starts
the breasts secrete colostrum for a fe days
what is the surgical sterilization procedure for women called and what happens
tubal ligation; oviducts are cut and tied off at the ends
where specifically is milk produced
cells in the alveoli within the mammary lobules
what hormone is needed for milk production
prolactin
whats the areola
coloured skin around the nipple
what are some reasons a c section might be done (3)
- breeched baby (rump first position instead of head first)
- mother has an STI
- mother has a small pelvis
what are the main developments in the 5th month (1)
- fetus becomes covered with fine soft hair and an oily substance to protect the still developing skin
types of reproductive technologies to reduce chance of conception (6)
abstinence, surgical procedures, hormone treatments, physical barriers, chemical barriers, natural family planning/the rhythm method
what are the main developments in the 4th month (4)
- the heartbeat of the fetus is strong enough to hear with a stethoscope
- bones of the skeleton begin to form
- the brain grows rapidly and the nervous system starts to function
- the mother beings to feel movement as the fetal legs grow and develop
when does the fetal development period start nad how long does it last
starts at the ninth week and lasts until birth
when is a c section used
if it isnt safe or possible to deliver the baby in the usual way
what happens in the dilation stage of birth (2)
- uterine contractions and oxytocin cause the cervix to open
- amniotic sac breaks and the amniotic fluid is released through the vagina
what provides the baby with protection from various infectious agents
antibodies from teh mother in the colostrum and milk
what is colostrum
thin yellowish fluid that is similar to milk but contains more protein and less fat
