Ob/Gyn COMAT review Questions with 100%
Correct Answers
Nägele Rule Correct Answer: LMP - 3M + 7d
DA (developmental age) Correct Answer: number of
days till fertilization
GA (gestational age) Correct Answer: number of
days/weeks since LMP
1st trimester Correct Answer: fertilization until 12w (DA) or
14w (GA)
2nd trimester Correct Answer: 12w (DA)/14w (GA) until
24w (DA)/26w (GA)
3rd trimester Correct Answer: 24w (DA)/26w (GA) till
delivery
A pre-viable fetus is one born _____ __ weeks Correct
Answer: before 24 weeks
A pre-term fetus is one born _____ __ weeks Correct
Answer: between 25-37 weeks
,A term fetus is born ______ ___ weeks Correct Answer:
between 38-42 weeks
A post-term fetus is born _____ ___ weeks Correct
Answer: after 42 weeks
An embryo = _____ to _____ Correct Answer: fertilization
to 8w GA
A fetus = _____ to ____ Correct Answer: 8w GA to birth
A neonate = _____ to ____ Correct Answer: birth to 4
weeks old (after 1m a baby is no longer considered a
neonate)
An infant = ____ to ____ Correct Answer: delivery to 1
year old.
Goodell sign Correct Answer: softening of cervix (seen at
*4 weeks* aka *1st tri*)
Ladin sign Correct Answer: softening of midline of uterus
(seen at *6 weeks* aka *1st tri*)
Chadwick sign Correct Answer: blue discoloration of
vagina and cervix (seen between *6-8w* aka *1st tri*)
, Telangiectasias/Palmar Erythema Correct Answer: small
blood vessels/reddening of palms (*1st tri*)
Chloasma Correct Answer: Mask of pregnancy or
hyperpigmentation of face; MC on forehead, nose,
cheeks worsening with sun (seen at *~16w* aka *2nd tri*)
Linea nigra Correct Answer: line of hyperpigmentation,
extending from **xiphoid** to **pubic symphysis** (seen
in *2nd tri*)
β-HCG is produced rapidly in the ____ trimester, ____
every 48h for the first __ ____. At ___ EGA, the β-HCG
peaks, and levels typically drop in the ____ trimester. In
the ___ trimester, the levels will increase slowly again to a
level of _____ to _____. Correct Answer: *1st* trimester;
doubling every 48h for the first *4 weeks*; At *10w* EGA;
drop in the *2nd* trimester; In the *3rd* trimester, the
levels will increase slowly again to levels of *20,000-
30,000 IU/mL*
_______ is used to confirm an IUP Correct Answer:
Ultrasound
Correct Answers
Nägele Rule Correct Answer: LMP - 3M + 7d
DA (developmental age) Correct Answer: number of
days till fertilization
GA (gestational age) Correct Answer: number of
days/weeks since LMP
1st trimester Correct Answer: fertilization until 12w (DA) or
14w (GA)
2nd trimester Correct Answer: 12w (DA)/14w (GA) until
24w (DA)/26w (GA)
3rd trimester Correct Answer: 24w (DA)/26w (GA) till
delivery
A pre-viable fetus is one born _____ __ weeks Correct
Answer: before 24 weeks
A pre-term fetus is one born _____ __ weeks Correct
Answer: between 25-37 weeks
,A term fetus is born ______ ___ weeks Correct Answer:
between 38-42 weeks
A post-term fetus is born _____ ___ weeks Correct
Answer: after 42 weeks
An embryo = _____ to _____ Correct Answer: fertilization
to 8w GA
A fetus = _____ to ____ Correct Answer: 8w GA to birth
A neonate = _____ to ____ Correct Answer: birth to 4
weeks old (after 1m a baby is no longer considered a
neonate)
An infant = ____ to ____ Correct Answer: delivery to 1
year old.
Goodell sign Correct Answer: softening of cervix (seen at
*4 weeks* aka *1st tri*)
Ladin sign Correct Answer: softening of midline of uterus
(seen at *6 weeks* aka *1st tri*)
Chadwick sign Correct Answer: blue discoloration of
vagina and cervix (seen between *6-8w* aka *1st tri*)
, Telangiectasias/Palmar Erythema Correct Answer: small
blood vessels/reddening of palms (*1st tri*)
Chloasma Correct Answer: Mask of pregnancy or
hyperpigmentation of face; MC on forehead, nose,
cheeks worsening with sun (seen at *~16w* aka *2nd tri*)
Linea nigra Correct Answer: line of hyperpigmentation,
extending from **xiphoid** to **pubic symphysis** (seen
in *2nd tri*)
β-HCG is produced rapidly in the ____ trimester, ____
every 48h for the first __ ____. At ___ EGA, the β-HCG
peaks, and levels typically drop in the ____ trimester. In
the ___ trimester, the levels will increase slowly again to a
level of _____ to _____. Correct Answer: *1st* trimester;
doubling every 48h for the first *4 weeks*; At *10w* EGA;
drop in the *2nd* trimester; In the *3rd* trimester, the
levels will increase slowly again to levels of *20,000-
30,000 IU/mL*
_______ is used to confirm an IUP Correct Answer:
Ultrasound
