NU 664C/ NU 664C Exam 2 (2025/2026 UPDATE) –
Family Psychiatric Mental Health II | Question &
Answer | 100% Verified Solutions (Regis)
Q. when does menarche typically begin?
Answer
2-3 years after thelarche (breast buds)
Q. thelarche
Answer
breast buds
Q. average age of menarche in the US
Answer
12-13
Q. what can lead to earlier menarche?
Answer
high BMI
Q. what regulates the menstrual cycle?
Answer
HPO axis
Q. three characteristics of menstrual bleeding
Answer
frequency, volume, length
,Q. normal menstrual bleeding frequency
Answer
24-38 days with each new cycle within 7-9 days of the last
Q. normal menstrual volume
Answer
5-80 ml
Q. normal length of menstruation
Answer
4.5-8 days
Q. what happens during follicular phase
Answer
hypothalamus releases gonadotropin releasing hormone
anterior pituitary releases FSH and LH
follicles start developing
estrogen increases
one follicle dominates and produces more estrogen
other follicles go through atresia
estrogen and LH levels peak 24 hrs before ovulation
ovulation occurs
Q. when does the luteal phase begin
Answer
with ovulation
Q. what happens in the luteal phase
Answer
shift from estrogen to progesterone dominance
follicle ruptures
corpus luteum forms
progesterone is produced
the follicle ceases growth and endometrium secretes
, Q. how long is luteal phase
Answer
14 days (14-28)
Q. how long/when is follicular phase
Answer
days 1-14
Q. what triggers end of luteal phase and beginning of menses?
Answer
drop in progesterone (and estrogen too but less important)
Q. what do estrogen levels do throughout follicular and luteal phases?
Answer
surges with ovulation (end of follicular phase and beginning of luteal phase)
Q. what happens to the egg at the end of luteal phase and how long after ovulation does this change
take place?
Answer
corpus luteum turns into corpus albicans approx 9-11 days after ovulation
Q. what phase of the uterine cycle corresponds with the follicular phase of the ovarian cycle?
Answer
proliferative phase same time as follicular phase
Q. what is happening to endometrium during proliferative phase and why?
Answer
surge in estrogen thickens endometrial lining to prepare for pregnancy
also forms progesterone receptors to increase endometrial blood flow