QUIZ Flashcards
ovum may survive
no longer than
24 hours
Fertilization normally occurs in the distal third of the fallopian tube which is the
AMPULLA
when male ejaculates: average
2.5 ml semen
semen contains how many sperm
50-200 million (40-250 million) sperm/ml.
Protects the sperm from acidic environment of the vagina & coagulates slightly after ejaculation to hold the
semen deeply in the vagina
seminal fluid
sperm are relatively immobile for approx.
15 to 30 minutes
sperm undergo changes that enable one to penetrate
capacitation
theses are removed from the acrosome during capacitation
glycoprotein coat and seminal proteins
layers surrounding ovum
corona radiata
and zona pellucid
Sperm that reach the ovum release what?
Hyaluronidase
Acrosin
union of an ovum and a spermatozoon
FERTILIZATION
ovum is capable of fertilization for
only 24 hours (48 hours at
the most)
functional life of a spermatozoon is about
48 hours, possibly as long as 72 hours
Fertilization takes place in the
ampulla
Zygote formation occurs ____ after fertilization
12-14 days
The zygote (fertilized ovum) take _____s to enter the uterus
3-4 days
another word for implantation
nidation
It takes _____ to complete the process of nidation
7-10 days
- inner membrane
AMNION
- outer membrane
CHORION
face and neck are becoming evident
heart and blood vessels continue to develop
lungs, stomach, and liver start to develop
home pregnancy test is now positive
4 WEEKS
baby is now a little over half an inch in size
Eyelids and ears are forming,
tip of the nose is visible
arms and legs are well formed
The fingers and toes grow longer and more distinct
8 WEEKS
fetus measures about 2 inches
make its own
movements
o feel the top of your uterus
hear the baby’s heartbeat
sex organs of the baby become clear
12 WEEKS
The fetus measures about 4.3 to 4.6 inches and weighs about 3.5 ounces
baby’s eyes can blink
e heart and blood vessels are fully formed
fingers and toes have fingerprints
uterus felt 3 inches below your belly
16 WEEKS
baby weighs about 10 ounces and 6 inches long
uterus at the level of your belly button
baby can suck a thumb, yawn, stretch, and makes face
baby move, which
is called quickening
20 WEEKS
ultrasound is performed for all pregnant women at
20 weeks
fetus weighs 1.4 pounds
responds to sounds (moving or increasing its pulse)
jerking motions if it hiccups
able to sense being
upside down in the womb
24 WEEKS
fetus weighs about 2 pounds 6 ounces
changes position frequently
a good chance of survival
28 WEEKS
fetus weighs almost 4 pounds
Baby’s skin has fewer wrinkles
32 WEEKS
average size of baby at 36 weeks
18.5 inches and weighs close to 6 pounds
Brain has been developing rapidly
Lungs are nearly fully developed
36 WEEKS
what week? :
Zygote formation
Free flowing blastocysts
WEEK 1
what week? :
2 mm. in length
Midline of the back are formed
Heart is beginning to beat
WEEK 3
what week? :
4-6 mm. in length
4 g in weight
Budding of limbs occur
WEEK 5
what week? :
o 3 cm in length
o 2 g in weight
o Eyelids begin to appear
WEEK 6
what week? :
8 cm in length
45 g in weight
Face well formed
Spontaneous movement occur
WEEK 8
fetal blood begins to
exchange nutrients with the maternal circulation across the_____
chorionic villi
fetus derives O2 and excretes CO2 from
placenta
blood enters the uterus thru the
umbilical vein
umbilical vein carries the blood to the inferior vena cava thru the
ductus venosus
allows oxygenated blood to be supplied
directly to the fetal liver
ductus venosus
allows oxygenated blood to be supplied
directly to the fetal liver
ductus venosus,
opening in the atrial
septum
foramen ovale
Diagnosis of pregnancy based on pregnancy-related physical and hormonal changes:
presumptive,
probable,
positive.
changes may be noticed by the mother/health care
provider but are not conclusive for pregnancy
PRESUMPTIVE
Amenorrhea
Urinary frequency (6-12)
Breast and skin changes
are classified as
PRESUMPTIVE
dark line that extends
from your bellybutton to your pubic area
linea nigra
strophic linear
scars.
striae gravidarum
Nausea and vomiting (5-12 weeks) - due to increase of
HCG
(Human Chorionic Gonadotropin)
whitish, yellowish, or greenish discharge from the vagina
leukorrhea
(maternal perception of fetal movement occurring between 16-20 weeks of gestation)
Quickening
changes noted by the health care provider but not conclusive for pregnancy
PROBABLE
Uterine enlargement; changes in pelvic organs
(+) HCG TESTS
UTERINE SOUFFLE
are what signs
PROBABLE
- pinkish to violet color; vagina
CHADWICK’S SIGN
- softening of cervix
GOODELL’S SIGN -
softening of the lower uterine segment
o HEGAR’S SIGN
- fetus rebounds against the examiner’s hand
BALLOTTEMENT
intermittent
contractions of the uterus
felt by the 4th month of pregnancy
palpate the abdomen; it is a mild discomfort b
BRAXTON HICKS CONTRACTIONS
soft, blowing sound at the rate of material pulse caused by the increased vascularity
UTERINE SOUFFLE
signs emanate from the fetus, noted by the health care provider, and conclusive for pregnancy
POSITIVE
FETAL HEARTBEAT is audible at
10-12 weeks gestation
normal fetal heart rate is
120-160 bpm.
LENGTH OF PREGNANCY
Days:
Days
Weeks
Lunar Months
Calendar Months
Trimesters
267 to 280
40
10
9
3
Period of organogenesis, teratogens is highly damaging
1ST TRIMESTER
Most comfortable, with continued fetal growth
2ND TRIMESTER
Rapid depositions of fats, period of most rapid growth, rapid iron
and calcium deposition
3RD TRIMESTE
Number of times pregnant
GRAVIDA
Any woman who has given birth once or more
PARA
woman who has not given birth to a baby beyond 20
weeks gestation
NULLIPARA
A woman who has given birth to one baby more than 20 weeks gestation
MULTIPARA
Para subdivided to reflect births that went to term, premature births, abortions, and living children
TPAL
Newborn born before 37 weeks of gestation
PRETERM
Newborn born after 37 weeks to 400 weeks of gestation
TERM
Newborn born after 40 weeks of gestation
POST-TERM
Estimates fetal age from head measurements
ULTRASONOGRAPHY
vs of pregnancy
Temperature: 97-100 degree Fahrenheit
o P: 60-90 beats
o R: 16-24 breaths
o BP: 90/60 - 140/90mmHg
SCHEDULE OF VISITS
Every 4 weeks, up to 32 weeks
Every 2 weeks from 32-36 weeks
Every week from 36-40 weeks
FHR usually auscultated at the
midline of suprapubic region
blood rushing through the umbilical arteries;
synchronous with the FHR
FUNIC SOUFFLE
the sound of blood passing through the uterine
vessels; synchronous with the maternal pulse
UTERINE SOUFFLE
test on fetal cells alternative to amniocentesis to diagnose fetal karyotype and genetic anomalies
CHORIONIC VILLI SAMPLING
detect certain birth defects :
e fatal maturity
s down syndrome, spinal bifida, hemolytic
disease of the newborn, sex
AMNIOCENTESIS
L/S ratio
(LecithinSphingomyelin
This test measures the amount of 2 substances L/S
AMNIOCENTESIS
They are surfactants; without them, the small air sacs in your lungs would collapse
L/S ratio
Ratio of less than 1.5:1
baby’s lungs are
immature
A ratio between 1.5:1 and 1.9:1 -
risk for immature lungs and
breathing problems
A ratio of more than 2:1 -
has mature lungs and is ready for life
a glycoprotein produced by fetal yolk sac, GIT, and liver
ALPHA-FETOPROTEIN
Maternal serum screens for open neural tube defects, anencephaly and spinabifida
ALPHA-FETOPROTEIN SCREENING
a small needle to withdraw blood from a vein, usually in your arm or hand
ALPHA-FETOPROTEIN SCREENING
blood sample through the
umbilical cord by inserting a sterile needle
PERCUTANEOUS UMBILICAL BLOOD SAMPLING
used to screen
karyotypes (chromosomes), examine antibodies
PERCUTANEOUS UMBILICAL BLOOD SAMPLING
evaluate fetal status
demonstrate FHR changes
ELECTRONIC FETAL HEART MONITORING
records fetal movements
Tocodynamometer
Evaluates fetal response to stress of labor; done thru nipple stimulation or oxytocin stimulation
CONTRACTION STRESS TEST
during CONTRACTION STRESS TEST a woman is in what position
semi-fowlers or side-lying
: late decelerations in CST is what
Positive result
no late decelerations with a minimum of 3
contractions lasting 40-60 seconds in 10-minute period is what result
Negative results
Abnormal and known as
positive window
Normal and known
negative window
FETAL ACTIVITY DETERMINATION
Kick counts
: 3 or more movements felt in 1 hour is what
Normal or positive
2 or less movements/hour with marked decrease from usual pattern of activity is what:
Abnormal or negative
MATERNAL ADAPTATIONS TO PREGNANCY : Ambivalence, fear, fantasies, and anxiety ; self
FIRST TRIMESTER
MATERNAL ADAPTATIONS TO PREGNANCY:
Tranquil period
Acceptance of the reality
Increased interest in fetus
2nd trimester
MATERNAL ADAPTATIONS TO PREGNANCY :
Anticipates labor and delivery;
assumes mothering role
Fantasies and dreams about labor common
THIRD TRIMESTER
contraction of the perineal area
Kegel exercises
recommended WEIGHT GAIN
24-30 lbs
l tissue in first half of pregnancy
maternal
tissue in second half of pregnancy
fetal issue
settling of the fetus into the midpelvis is termed
lightening
The point at which
lightening will occur is not predictable in a
multipara
Amenorrhea occurs y because of
suppression of follicle-stimulating hormone (FSH) by rising estrogen levels.
forms to seal out bacteria and help prevent
infection in the fetus and membranes
operculum
sebaceous glands of the areola
Montgomery’s tubercles
rectus muscles underneath the skin to actually separate, condition known as
diastasis