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CMN 568 - Unit 6 (Questions With Detailed Answers)
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CMN 568 - Unit 6 (Questions With Detailed Answers)
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CMN 568 - Unit 6 (Questions With Detailed Answers)Calculation of estimated date of delivery (EDD) Right Ans - 1st day of last
menstrual period (LMP)
+
7 days
-
3 months
+
1 year
Decherney Chap 6
2 periods that comprise the 1st trimester Right Ans - 1) Embryonic period:
2 - 10 weeks gestational age
2) Fetal period: 8 weeks after fertilization OR 10 weeks after onset of LMP
Decherney Ch 6
When does organogenesis occur? Right Ans - Embryonic period of 1st
trimester
NOTE: This is when embryo is most sensitive to teratogens
Definition of "gravid" Right Ans - Total # of pregnancies regardless of
outcome
Definition of parity Right Ans - Total # of births, both before and after 20
weeks gestation. Made up of 4 components:
1) Full term births
2) Preterm births (wt ≥ 500 g or ≥ 20 weeks)
3) Abortions (induced or spontaneous)
4) Living children
NOTE: Each child in a multiple is counted individually in "parity" but only
ONCE in "gravid" total. (e.g. ONE pregnancy, MULTIPLE children)
Definition of preterm infant Right Ans - Born between 20 - 37 completed
weeks of gestation (259 days)
,Definition of term infant Right Ans - Born between 37 0/7 and 40 0/7
weeks gestation (280 days)
Definition of post-term infant Right Ans - Born after 42 weeks gestation
(294 days)
Prenatal mortality rates ___________________ (increase/decrease) as gestation
advances past due date Right Ans - Increase
NOTE: Mortality increases SHARPLY after 42 weeks gestation
Definition of macrosomic infant or large for gestational age (LGA) fetus
Right Ans - Weight ≥ 90th percentile at any gestational age.
Excessive fetal size should be suspected in women with ________________________.
Right Ans - Previous macrosomic fetus OR women with DM
Definition of abortion Right Ans - Expulsion/extraction of all or part of
placenta/membranes/fetus weighing < 500 g or with an estimated gestational
weight of < 20 weeks (or 139 days from LMP)
Definition of neonatal period Right Ans - Birth to 28 days of life
Definition of perinatal period Right Ans - From 28 weeks gestation to first
7 days of life.
(NOTE: This includes the late fetal and early neonatal period.)
When does nausea and vomiting ("morning sickness") usually occur in
pregnancy and by when does it usually resolve? Right Ans - Begins @ 6
weeks
Resolves between 14 - 16 weeks gestation
"3 months dreary, 3 months cheery, 3 months weary"
Herf BBB
,Definition of hyperemesis gravidarum Right Ans - Extreme form of
pregnancy-related nausea/vomiting, characterized by:
+ Dehydration
+ Weight loss (up to 5% of pre-pregnancy weight)
+ Ketonuria
Symptoms usually begin 3-5 weeks into pregnancy and resolve by 20 weeks
Herf BBB
What are Montgomery's tubercles and when do they become more
pronounced? Right Ans - + Portion of areolar gland visible on skin surface
+ Become more pronounced as early as 6 - 8 weeks gestation.
How early can breast begin secreting colostrum? Right Ans - As early as 16
weeks gestation, but should definitely be in by 28 weeks.
Breastfeeding PPT
What is quickening and when can it occur? Right Ans - "Quickening" refers
to the mother's perception of fetal movement.
Primiparidas - At 18 - 20 weeks' gestation
Multiparidas - As early as 14 weeks' gestation
Definition of chloasma Right Ans - "Mask of pregnancy" or skin darkening
of forehead, bridge of nose or cheek bones.
Usually occurs after 16 weeks' gestation
Exacerbated by sunlight
What is Chadwick's sign? Right Ans - Bluish discoloration of vagina and
cervix. A presumptive sign of pregnancy.
What is Hegar's sign? Right Ans - Widening and softening of the body or
isthmus of uterus. Occurs at 6 - 8 weeks' gestational age.
, When do Braxton Hicks contractions begin to occur? Right Ans - At approx.
28 weeks' gestation.
Difference between how exercise affects BH contractions vs. true labor
contractions Right Ans - + BH contractions disappear with walking or
exercise
+ True labor contractions become more intense with walking or exercise
Normal fetal heart rate Right Ans - 110 - 160 BPM (higher in early
pregnancy)
After how many weeks are fetal heart tones detectable by handheld Doppler?
Right Ans - After 10 weeks' gestation
After how many weeks can the fetus be palpated through the maternal
abdominal wall? Right Ans - After 22 weeks
Sonogram detection of the following:
+ Cardiac activity
+ Limb buds
+ Finger and limb movements Right Ans - + Cardiac activity: 5-6 weeks by
transvaginal sonogram
+ Limb buds: 7 - 8 weeks
+ Finger and limb movement: 9 - 10 weeks
When and how can sonogram be used to determine gestational age of fetus?
Right Ans - + WHEN: Between 6 - 13 weeks gestation
+ HOW: Measure the crown-rump length
Uses of ultrasound in pregnancy Right Ans - 1) Determine viability
2) Estimate gestational age
3) Screen for aneuploidy
4) Evaluate fetal anatomy
From 13 - 20 weeks, the most accurate way to assess gestational age via
ultrasound is: Right Ans - Biparietal diameter of skull
Palpable location of uterine size at:
8 weeks
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