Term
Gestation
length
when it starts |
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Definition
-Begins with fertilization
-ends with delivery of fetus
-divided into 38 weeks (3 trimesters) |
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Term
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Definition
-vagina recieves semen
-spoerm dissolves egg cell coating, penetrates plasma membrane |
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Term
Zygote
definition
becomes... |
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Definition
-sperm/egg combine to form one cell
divides into multi-celled embryo
-moves into uterus |
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Term
Placenta
how formed
organ functions
connected to baby via? |
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Definition
-embryonic cluster forms villi which invade uterine wall and become organ
-supplies nutrition, respiration, excretion, and hormone production
-connects to baby via umbilical cord |
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Term
Embryo
gestational age
major developments |
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Definition
-first 8 weeks
-nervous, circulatory systems begin
-limb buds form
-begins human appearance (gummy bear) |
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Term
Fetus
gestational age
major developments |
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Definition
-month 3 (week9) to birth/termination
-organs grow/mature
-amniotic sac forms
-fetus covered with vernix
-rapid growth in 2nd trimester |
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Term
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Definition
| You can rule out a female if you see a penis, but you can NOT rule out a male, because ultrasound may not be picking up the penis |
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Term
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Definition
-heart pumps more blood
-lungs increase respiration
-kidneys excrete waste from fetus and mother
-digestive system supplies additional nutrients
-1st trimester mausea and vomiting due to hormones
-urinary frequency and constipation in 3rd trimester (baby pressures bladder & intestines) |
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Term
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Definition
-diagnose pregnancy
-judge fetal age
-determine location of placenta
-Show presence of fetal abnormalities |
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Term
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Definition
-Onset of regular uterine contractions
--uterine muscle stretching stimulates prostaglandin production
--pressure on cervis stimulates pituitary to release oxytocin |
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Term
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Definition
| released by pituitary gland, causes uterus to contract |
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Term
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Definition
| Cervix effaces (flattens) and dilates (widens) |
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Term
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Definition
| Fetus passes through vaginal canal |
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Term
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Definition
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Term
| Procedure used to check cervix |
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Definition
| digital examination (fingers used to estimate dilation). |
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Term
| Encouraging uterus to shrink back to size |
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Definition
-Breastfeeding
-hard massaging of stomach |
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Term
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Definition
WITH ASSISTANCE, a fetus is considered about to live after
20 weeks |
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Term
APGAR
definition
when used
maximum score |
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Definition
-test used to assess newborn's health
-5 features tested @ 1 & 5 min.
-Maximum score = 10 |
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Term
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Definition
-placental abnormality
-abnormal fetal position
-fetal distress
-disproportion between head of fetus and mother's pelvis
-high risk maternal factors
-elective procedure |
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Term
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Definition
Vaginal Birth after Cesaerean
birth of other children vaginally following c-section of older sibling. |
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Term
Fraternal multiples
differences |
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Definition
-Ova, placentas, and amniotic sacs
-considered siblings |
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Term
Identical multiples
similarities
differences |
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Definition
-same ovum
-different umbilical cords, placentas
-same sex
-same genetics
-may be different sizes |
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Term
Termination of pregnancy (fetus)
different causes |
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Definition
-Spontaneous (miscarriages)
-Induced (D&C, saline, partial birth) |
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Term
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Definition
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Term
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Definition
| loss of fetus after eighth week of pregnancy |
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Term
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Definition
-zygote remains in tubes
-may cause fallopian rupture/sterility
-zygote not tangible |
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Term
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Definition
-placenta covers cervix
-when cervix dilates, may cause placenta to tear, putting baby in danger
-Requires c-section |
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Term
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Definition
-placenta comes off of uterine wall
-requires baby to come out immediately |
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Term
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Definition
-unexplained increase in blood pressure
-hypertension
-convulsions cause death to fetus
-high risk: teens, older woman, lack of prenatal care |
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Term
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Definition
| infections related to childbirth |
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Term
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Definition
| benign overgrowth of placental tissue |
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Term
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Definition
| malignant tumor of placental tissue |
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Term
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Definition
-PPD
-hormone levels off, causes emotional/mental anomalies in women |
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