An incomplete separation of the embryonic disk results in _______ _______. | Conjoined twins |
What is the infant mortality rate in the US? | 5.6 per 1000 live births |
What percentage of babies are born prematurely? | 10% |
What does morbidity mean? | State of having disease |
Thiamine deficiency can cause which condition in the fetus? | Encephalopathy |
Although the cause of hyperemesis gravidarum is unknown, what is thought to be a factor? | Elevated levels of HCG |
Which women are at higher risk of developing hyperemesis gravidarum? | Experienced disorder in the past
Primigravidas |
What should be obtained of the woman with hyperemesis gravidarum to determine the impact of the vomiting? | Electrolyte profile |
What is the only medication approved by the FDA to treat vomiting during pregnancy? | Pyridoxine (Diclegis) |
Monozygotic twins are known as ______ twins | Identical |
What is the medical term for fraternal twins? | Dizygotic |
Monozygotic twins begin with how many fertilized ovums? | 1 |
Dizygotic twins almost always have separate _________. | Placentas |
Two separate ova being fertilized at the same time results in _______ twins | Dizygotic |
Which condition are more common in women with twins? | Spontaneous abortion
Maternal anemia
Gestational hypertension
Hydramnios
Bleeding from placenta previa
Abruptio placentae |
An incomplete separation of the embryonic disk results in _______ _______. | Conjoined twins |
What are the two types of hydatidiform mole? | Complete or partial |
How often does a pregnancy involving twins occur in the US? | 33.4 in 1000 live births |
A higher incidence of hydatidiform mole is reported in women of which descent? | Asian |
What does a complete mole result from? | Fertilization of an egg whose nucleus has been lost or inactivated |
Any symptoms of GH (gestational hypertention) before 20 weeks can indicate which condition? | Hydatidiform mole |
20% of cases of complete mole progress toward which condition? | Choriocarcinoma |
A woman who has experienced a molar pregnancy must avoid becoming pregnant for how long? | One year |
Cells of a molar pregnancy may be left behind and mey develop into _________ | Malignancy |
Where does implantation most commonly occur in an ectopic pregnancy? | Fallopian tube |
What kind of ectopic pregnancy may be salvageable? | Abdominal |
What are some risk factors for the development of an ectopic pregnancy? | Pelvic inflammatory disease
Endometriosis
Tubal structure defects
Surgery to reproductive organs
Smoking
Low progesterone |
What do HCG levels look like in an ectopic pregnancy? | Lower than normal for gestational age |
What kind of medication is a folic acid antagonist? | Methotrexate |
What does methotrexate do? | Destroys rapidly dividing cells |
What kind of medication may be prescribed to a woman with unruptured ectopic pregnancy? | Methotrexate |
What percentage of women have a normal pregnancy after an ectopic pregnancy? | 50% |
What are the 8 classifications of abortion? | Threatened
Spontaneous
Inevitable
Complete
Incomplete
Missed
Septic
Habitual |
What length cervix is indicative of incompetent cervix? | Less than 20 mm long |
The use of a suture to constrict the internal os of the cervix is called: | Cerclage |
A prophylactic cerclage is done at what week of gestation? | 10 to 14 weeks |
Cerclage is rarely done after what week gestation? | 26 weeks |
When the placenta implants in the lower uterine segment, this is called: | Placenta previa |
What is the main presenting symptom of placenta previa? | Painless, bright red, vaginal bleeding that occurs after 20 weeks of gestation |
What is the common birthing practice of a woman with placenta previa? | Cesarean birth is scheduled at 36 weeks gestation |
________ ________ is not allowed in the woman with placenta previa | Sexual intercourse |
The premature separation of the placenta from the uterine wall is called: | Abruptio placentae |
When does abruptio placentae usually occur? | Late in pregnancy |
List the predisposing factors of abruptio placentae | Trauma
Chronic hypertension
GH |
The use of which drug increases the risk of abruptio placentae? | Cocaine |
Abruptio placentae is 3 times more likely to occur in women of gravidity of more than ____ | Five |
What are the major symptoms of abruptio placentae? | Sudden severe pain accompanied by uterine rigidity |
Which factors should be assessed when any bleeding occurs during pregnancy? | Duration, amount, color, characteristic
Vital signs
Pain
FHR
Emotional response |
Which laboratory tests determine the amount of blood loss? | Hemoglobin and hematocrit |
What is the leading cause of maternal death? | Abruptio placentae |
What does DIC result from? | Alterations in normal clotting mechanism |
DIC is usually a secondary diagnosis, and seen in which conditions? | Abruptio placentae
Incomplete abortion
Hypertensive disease
Infectious process |
What is the body attempting to do in DIC? | Prevent excessive blood loss |
What are the clinical manifestations of DIC? | Chest pain
Restless and cyanotic
Frothy blood-tinged mucus |
DIC therapy includes continuous IV infusion of what medication? | Heparin |
How should the mother position herself to maximize blood flow to the fetus? | Side-lying tilt |
Early post partum hemorrhage is blood loss greater than ____mL after vaginal birth, or ___ mL after C-section | 500 mL, 1000mL |
What are the most common causes of early hemorrhage? | Atony
Retained placental fragments
Perineal lacerations |
What are the causes of uterine atony? | Excessive distention of uterus (from multiple pregnancies)
Hydramnios
Large infant |
What percentage of women experience postpartum hemorrhage? | 5% |
What is the most common cause oflate postpartum hemorrhage? | Retained placental fragments |
Which pharmacologic therapies are linked to postpartum hemorrhage? | Magnesium sulfate
Nifedipine |
Tachycardia and hypotension are reflective of excessive ________ ________. | Blood loss |
How should the uterus feel for the first 24 hours after childbirth? | Firmly contracted ball, the size of a grapefruit |
Where should the uterus be easily located in the first 24 hours after birth? | Level of the umbilicus |
What is considered a large amount of lochia? | Soaking more than one peripad per hour |
What is considered an excessive amount of lochia? | Soaking more than one peripad in 15 minutes |
Which position is not advised for the woman with postpartum hemorrhage? | Trendelenburg |
Blood pressure levels are normally _______ during the first trimester | Reduced |
When do blood pressure levels return to pre pregnancy baseline? | 20 weeks gestation |
What is the likelihood of a woman with chronic hypertension to develop preeclampsia? | 1:4 |
When does the condition of gestational hypertension begin? | After 20 weeks gestation |
Unlike preeclampsia, gestational hypertension is not accompanied by _____________ | Proteinuria |
The hypertension of preeclampsia and eclampsia are accompanied by which symptoms? | Albuminuria
Edema
Headache
Visual disturbances
Epigastric pain |
List some risk factors for preeclampsia and eclampsia | First pregnancy
African American race
Chronic or gestational hypertension
Obesity
Family history
Diabetes
Gestational trophoblastic disease |
Which ages are at higher risk for preeclampsia and eclampsia? | Under 18, and over 30 |
What kind of blood pressure reading indicates a problem (mild preeclampisa? | Increase of 30 mmHg systolic, and 15mmHg diastolic
Or a reading of 140/90 |
What does urine testing show in a woman with mild preeclampsia? | 1+ to 2+ albumin readings |
What is the urinary output of a woman with mild preeclampisa? | At least 500 mL/24 h |
What are the blood pressure findings of a woman with severe preeclampsia? | 160/110 mm Hg or higher on two separate readings 6 hours apart |
What will urine testing for albumin show in the woman with severe pre eclampisa? | 3+ to 4+ |
What is the urinary output of a woman with severe pre eclampsia? | Less than 500mL/24hr |
What can epigastric or upset stomach in a patient with preeclampsia or eclampsia be indicative of? | Distention of hepatic capsule; can warn that a convulsion is approaching |
What position of bed rest is recommended for a patient with preeclampsia? | Left lateral recumbent |
When are antihypertensive medications prescribed to the woman with preeclampsia? | When blood pressure exceeds 160/100 |
Fetal kicks of less than ___ per hour must be reported | 3 kicks |
Fetal activity decreases in the presence of __________ | Hypoxia |
List the nurse's responsibilities to protect the woman and fetus during convulsion | Remain with the woman, call for help
Turn woman to left side
Note time and sequence
Insert and airway after convulsion
Observe fetal monitor patterns
Notify physician |
List 5 eclamptic seizure precautions & interventions | 1. Keep environment quiet
2. Keep call button nearby
3. Have calcium gluconate ready
4. Move carefully and calmly
5. Emergency birth pack accessible |
Bed rest for the preeclamptic woman is vital because it slows ______ and relieves _______ | Metabolism, edema |
What is the only cure for preeclampsia and GH? | Delivery of the baby |
What does HELLP syndrome stand for? | Hemolysis, Elevated liver enzymes, Low platelet count |
In order to be diagnosed with HELLP syndrome, what must the platelet count be? | Less than 100,000/mm3 |
What is the prominent symptom of HELLP syndrome? | Pain in right upper quadrant, lower chest, or epigastric area |
What kind of birth is preferable if the woman has a hypertensive condition during pregnancy? | Vaginal |
HELLP syndrome necessitates what kind of birth? | Cesarean |
In addition to HELLP syndrome, what blood glucose level is associated with a high maternal mortality rate? | Less than 40 mg/dL |
Pregnancy is regarded as what kind of condition? | Immunosuppressive |
Mastitis is often caused by which bacteria? | Staphylococcus aureus |
When should breast feeding from a breast infected with mastitis be discontinued? | If an abscess forms and ruptures into the milk ducts |
How often should the mother with mastitis breast feed or pump the affected side to prevent stasis? | Every 1.5 to 2 hours |
Which side should the mother begin breastfeeding on when infected with mastitis? | Unaffected side |
Weaning during an episode of mastitis may increase _________ and __________. Encourage the mother to keep breast feeding. | Engorgement and stasis |
What does "TORCH" infection stand for? | Toxoplasmosis, Others such as Rubella, Cytomegalovirus, and Herpes |
What are common presenting problems of HIV infection in women? | Chronic vaginitis, and candidiasis |
What are HIV infected women at risk for during pregnancy? | Preterm labor/birth
Premature rupture of membranes
IUGR
Perinatal mortality
Postpartum endometriosis |
Giving birth within ___ hours of membrane rupture greatly reduces the transmission of HIV to the neonate | 4 hours |
What are the risk factors in the development of gestational diabetes mellitus? | Older than 25
Family history of diabetes
History of gestational diabetes
Nonwhite race
Obesity
Hypertension |
When is a 1-hour, 50-g diabetes screening or glucose tolerance test performed? | 24 to 28 weeks gestation |
Which test for diabetes is not reliable during pregnancy? | Glycosylated hemoglobin (A1c) |
What is prescribed for women with type 2 diabetes while pregnant? | Insulin |
Why are hypoglycemic medications contraindicated during pregnancy? | Possible teratogenic agents |
Why is insulin safe during pregnancy? | It does not cross the placental barrier |
What are the potential complications of the mother with diabetes during pregnancy? | Risk for operative birth
Tissue trauma from large for gestational age infant |
What are the fetal complications of a diabetic pregnancy? | Preterm delivery
Macrosomia |
The symptoms of cardiomyopathy are similar to those of _______ ______ ________. | Congestive heart failure |
When is cardiomyopathy usually seen? | Last month of pregnancy or postpartum period |
What are the most common cardiac problems of maternity patients? | Rheumatic heart disease
Congenital heart defects
Mitral valve prolapse |
Rheumatic heart disease is the result of what kind of infection? | Streptococcal infection |
During labor which position of the mother enhances respiratory effort and improves circulation? | Semi-Fowler's or side-lying |
What kind of birth is recommended for the woman with heart disease? | Vaginal |
What is used to minimize the mother's use of valsalva's maneuver during labor? | Vacuum extraction
Outlet forceps |
What is the mother with heart disease at risk for during the first 48 hours after birth? | Cardiac decompression |
What kind of fluids are used for amnioinfusion? | Lactated Ringer's solution
Saline |
What are the physiologic concerns associated with adolescent pregnancy? | GH
Cephalopelvic disproportion
Abruptio placentae
Low birth weight
IUGR
Anemia
Infection
Preterm delivery
Perinatal death |
Why are oral contraceptives not usually recommended immediately after birth? | Woman is at risk for thromboembolic disease in the immediate postpartum period (first 4 weeks) |
Which oral contraceptives are recommended for adolescents? | medroxyprogesterone (Depo-Provera)
levonorgestrel (Norplant( |
Each year after the age of 35 years increases the risk of conceiving a child with _____ _________. | Down syndrome |
The incidence of which conditions increases as the woman ages | Ectopic pregnancy
Placenta previa
Diabetes
Hypertension |
What are the three types of thrombus that the postpartum period may be affected by? | Superficial venous thrombus
Deep vein thrombosis
Pulmonary embolism |
What kind of respiratory changes signal pulmonary embolsim? | Tachycardia and dyspnea |
A positive Homan's sign is not considered a definitive test of ______ _________ _______ | Deep vein thrombosis |
Oral anticoagulation therapy for deep vein thrombosis should be continued for how long during the acute phase? | 3 months |
What kind of IV therapy is used in managing pulmonary embolism? | IV heparin therapy |
What kind of blood thinner is contraindicated in pregnany? | Warfarin |
How long will the patient anticipate to take oral anticoagulants or subcutaneous heparin therapy after the acute phase of pulmonary embolism? | 6 months |
What weeks of gestation is considered a preterm birth? | 20-37 weeks |
38 to 41 weeks gestation birth is considered: | Term |
What week gestation is considered a post term birth? | 42 weeks |
What is the preterm infants greatest potential problem? | Respiratory distress syndrome |
What is the post term infant at risk for? | Asphyxia
Respiratory distress
Hypoglycemia |
When does Rh incompatibility occur? | When the mother is negative, and the fetus is positive |
A hemolytic anemia that occurs in newborns due to maternal-fetal blood incompatibility is called ________ _________. | Erythroblastosis fetalis |
The destruction of fetal RBC's results in _______ ________. | Pathological jaundice |
What is kernicterus? | Toxic accumulation of bilirubin in central nervous system tissues |
Kernicterus may result in _______ damage or _________. | Neurologic damage or death |
What does an indirect coombs test meaure? | Number of maternal antibodies |
When should an amniocentesis be performed after an indirect coombs test? | If the titer exceeds 1:16 |
Phototherapy is begun when bilirubin levels reach __ to ___ mg/dL | 12 to 15 mg/dL |
When is RhoGAM administered to the mother? | At 28 weeks, and 72 hours after birth |
Positioning the newborn on the ______ side reduces the risk of aspiration | Right side |