Term
Where does fertilization occur |
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Definition
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Term
After fertilization what is the ovum(oocyte) called |
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Definition
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Term
After a few days of rapid cell division, the ball of cells is called |
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Definition
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Term
The morula has cell differentiation between the inner cells and the outer cells, what are these layers called |
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Definition
Blastocyst (inner cells), and trophoblast (outer cells) |
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Term
Whats the function of the trophoblast cells |
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Definition
they attach to the endometrium lining of the uterus, and they go on to make various life support systems for the embryo(placenta, amniotic sac, umbilical cord) |
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Term
What does the Blastocyst cells do |
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Definition
These cells form the embryo itself |
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Term
Which structures provide nutrients for the developing embryo |
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Definition
placenta, umbilical cord, and amniotic sac. |
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Term
How long do the trophoblast cells continue to develop the placenta |
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Definition
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Term
What are the five functions of the placenta |
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Definition
Transfer of gases, transport of nutrients, excretion of wastes, hormone production, and formation of a barrier. |
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Term
At what month does the placenta secrete its own hormones, and which hormones are they |
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Definition
By the third month, and it produces estrogen, and progesterone, these hormones are produced to maintain the uterine lining, prevent the occurrence of menses, and stimulate changes in the women's breast, vagina, cervix, and pelvis |
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Term
The placenta barrier blocks some harmful substances, what medications easily cross the placental barrier |
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Definition
steroids, narcotics, anesthetics, and some antibiotics. |
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Term
What is the umbilical cord consist of |
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Definition
Two arteries, and one vein |
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Term
Explain the blow flow in the two arteries in the umbilical cord |
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Definition
The arteries carry deoxygenated blood from the fetus to the placenta |
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Term
Explain the blow flow in the vein of the umbilical |
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Definition
The vein carries oxygenated blood to the fetus from the placenta |
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Term
What structures are unique to fetus circulation |
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Definition
ductus arteriosus, ductus venosus, and the foramen ovale. |
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Term
What is the ductus arteriosus, and its function |
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Definition
Its an opening between the pulmonary artery, and the aorta, the blood coming from the right ventricle goes through the ductus arteriosus into the aortic arch after the carotid arteries, to prevent deoxygenated blood going to the developing brain |
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Term
What is the ductus venosus, and its function. |
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Definition
Its a continuation of the umbilical cord, and empties directly into the vena cava. It serves as a shunt to allow most of the blood returning from the placenta to bypass the liver. |
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Term
What is the foramen ovale, and its function |
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Definition
Its an opening on the right atria for blood to bypass the right ventricle, and go directly into the left atria,for systemic circulation. |
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Term
What is the amniotic fluid consist of |
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Definition
fetal urine, secretions from the respiratory tract, skin, and amniotic membranes. |
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Term
On average how much amniotic fluid is produced by 5 weeks, and how much at birth |
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Definition
175-225 mL at 5 weeks, and about 1 L at birth |
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Term
What is an ovarian follicle |
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Definition
it is an oocytes surrounded by granulosa cells. |
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Term
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Definition
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Term
What is the purpose of the fallopian tubes |
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Definition
To carry the ovum to the uterus |
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Term
What is a developing ovum called |
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Definition
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Term
How long is the developing baby called a embryo |
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Definition
for the first eight weeks |
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Term
When is the embryo called a fetus |
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Definition
after eight weeks and up until birth |
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Term
Where does fertilization occur |
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Definition
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Term
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Definition
The period in which the fetus develops and grows in the uterus. Usually lasts 40 weeks |
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Term
When does conception usually occur |
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Definition
14 days after the first day of the last menstrual period |
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Term
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Definition
The infant's loss of the placental connection with the mother, also the baby losses metabolic support. |
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Term
How much negative pressure is needed by the newborn to open its alveoli |
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Definition
More than 25mmHg, most newborns create as much as 50mmHg. |
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Term
What happen physiologically to the newborn's heart after birth |
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Definition
Pressure on the right side of the the heart decreases due to reduced resistance in the pulmonary arteries, and vascular resistance is increase systemically, causing the pressure on the left side to increase, closing the shunts needed during gestation |
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Term
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Definition
It is the number of all the woman's current and past pregnancies |
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Term
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Definition
It is the number of pregnancies that have resulted in live birth |
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Term
What lunar month is the infant's sex determined |
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Definition
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Term
What lunar month if born the infant cries, and breaths, but often results in death |
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Definition
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Term
What happens to the pH level in the vagina during pregnancy |
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Definition
The pH decreases to about 3.5 becoming acidic, to keep the vagina free from pathogens. |
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Term
What kind of ECG and cardiovascular changes could you see with a pregnant pt |
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Definition
On the ECG you may see flat or negative T waves in lead 3, Cardiac output increases by 30%(by the 34th week), the rate may increase by 15-20 beats/min(by third trimester) |
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Term
What changes would you see with a pregnant pt's respiratory system |
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Definition
The tidal and minute ventilation increase by 30-40% in late pregnancy, |
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Term
The increase in estrogen and progesterone causes the fibrinogen levels to increase by how much |
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Definition
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Term
The uterus is above the symphysis pubis at how many weeks |
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Definition
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Term
Where is the uterus palpable at 24 weeks |
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Definition
Its at the level of the umbilicus |
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Term
When can fetal heart sounds be heard |
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Definition
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Term
What is the normal range for fetal heart rate |
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Definition
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Term
What is the greatest risk of fetal death |
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Definition
From fetal distress, and intrauterine demise caused by trauma to the mother or death |
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Term
What are some causes of cardiac arrest with pregnant pts |
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Definition
(Time of delivery)amniotic fluid embolism, drug toxicity, eclampsia (physiological assoc. w/ pregnancy)Aortic dissection, congestive caridomyopathy, PE |
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Term
Whats important to remember with pregnant pts when thinking about O2 saturation |
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Definition
Requirements are 10-20% greater than a nonpregnant pt |
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Term
Should you use vasopressors if the pt is pregnant |
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Definition
It not recommended, because it will decrease uterine blow flow and fetal O2 delivery |
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Term
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Definition
The cause is unknown, and it mainly affects previously healthy normotensive women in their first pregnancy. |
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Term
When does preeclampsia occur |
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Definition
It usually occurs after 24 weeks gestation, often near term, and will not reverse until after delivery. |
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Term
What are the signs and symptoms of preeclampsia |
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Definition
Hypoperfusion to the tissue or organs involved. (cerebrum)headache, dizziness, confusion, seizures, coma (GI system)nausea, vomiting (placenta)abruptio placentae, fetal distress |
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Term
What is the criteria for preeclampsia |
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Definition
presence of the classic triad Hypertension, proteinuria, excessive weight gain with edema |
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Term
How do you manage seizures from eclampsia |
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Definition
place pt in left lateral recumbent, handle pt gently, minimize sensory stimulation, High flow O2, IV, be ready for another seizure and to administer mag sulfate 10% |
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Term
How is gestional diabetes mellitus caused |
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Definition
Its caused by pregnancy, and occurs in about 4% of all pregnancies |
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Term
What happens with gestioinal diabetes mellitus |
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Definition
The mother's body is unable to produce or use all the insulin it needs during the pregnancy, excessive amounts of glucose is transmitted to the fetus and is stored as fat |
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Term
What is the treatment for pt with GMD |
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Definition
regular glucose monitoring, exercise, diet modification, and sometimes insulin injections |
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Term
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Definition
It is the termination of pregnancy from any cause before 20 weeks |
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Term
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Definition
Any termination of pregnancy after 20 weeks gestation |
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Term
How many classes are there of abortion |
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Definition
8 types, complete, criminal, incomplete, induced, missed, spontaneous, therapeutic, and threatened |
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Term
Define what a miscarriage is |
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Definition
it is a spontaneous abortion |
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Term
What is abruoptio placentae |
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Definition
It is a partial or full detachment of a normally implanted placenta at more than 20 weeks |
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Term
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Definition
IT is placental implantation in the lower uterine segment partially or completely covering the cervical opening |
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Term
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Definition
It is a spontaneous or traumatic rupture of the uterine wall. |
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Term
What is Braxton-Hicks contractions |
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Definition
The irregular tightening of the pregnant uterus, usually begins in the first trimester, and usually painless. As pregnancy continues the contractions increase in frequency |
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Term
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Definition
It begins when the infant descends into the birth canal |
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Term
What are the stages of labor |
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Definition
Stage 1(Dilation), Stage 2(Expulsion), Stage 3(Placenta delivery) |
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Term
What happens in stage 1(Dilation) |
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Definition
Regular contractions, complete cervical dilation., average time 12. hrs primipara, 7hrs multipara |
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Term
What happens in stage 2(Expulsion) |
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Definition
Full dilation of cervix to delivery of the newborn, average time 80min in primipara, 30min multipara |
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Term
What happens in stage 3(placenta delivery) |
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Definition
Immediately after delivery of the infant, 5-20min |
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Term
What does Apgar stand for |
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Definition
Appearance(color), pulse(HR), grimace(reflex irritability),activity(muscle tone), and respiratory effort |
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Term
Whats an Apgar score of 10 |
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Definition
The best possible condition |
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Term
Whats an Apgar score of 8 |
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Definition
The infant is slightly depressed |
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Term
Whats an Apgar score of 4-6 |
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Definition
The infant is moderately depressed |
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Term
Define postpartum hemorrhage |
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Definition
It is characterized by more than 500mL of blood loss after the delivery |
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Term
What is cephalopelvic disproportion |
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Definition
Its a condition in which the newborn's head is too large or the mother's birth canal is too small. This requires a c-section |
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Term
Explain a breech presentation |
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Definition
The largest part of the fetus(the head) is delivered last. |
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Term
What are the different categories of breech presentations |
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Definition
Front or frank, Complete, and incomplete |
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Term
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Definition
When the infant's buttocks are presenting, with the infant's legs extended in front |
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Term
What is a complete breech |
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Definition
The infant's buttocks are presenting, with the infant's knee and hips flexed |
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Term
What is incomplete breech |
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Definition
The infant has one or both hips incompletely flexed, resulting in one or both legs/foot presenting |
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Term
What is shoulder dystocia |
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Definition
The fetal shoulders are wedged against the maternal symphysis pubis |
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Term
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Definition
When an infant is born before 37 weeks gestation |
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Term
Define what uterine inversion is |
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Definition
Can occur suddenly after a contraction, its when the top of the uterus presents through the cervix |
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