Menstruation Flashcards
is episodic uterine bleeding in response to cyclic hormonal changes
menstrual cycle
What are the purposes of menstrual cycle?
- to bring an ovum to maturity
- renew a uterine tissue bed that will be necessary for the ova’s growth should it be fertilized
average length of menstrual cycle is ____
can be as short as ____
or long as _____
- 28 days
- 23 days
- 35 days
normal, regular menstruation that lasts for few days
eumenorrhea
the first menstruation.
an event that signifies the end of puberty and the beginning of the reproductive years of woman
menarche
The first menstrual cycle are usually ____, _____ , and _____
anovulation
painless
irregular
infrequent or irregular ovulation
oligoovulation
absence of ovulation
anovulation
very little flow (less than 10 ml)
Hypomenorrhea
regular cycles with intervals of 21 days or fewer
polymenorrhea
irregular uterine bleeding; usually occurs between regular menstrual period
Metrorrhagia
abnormal uterine bleeding
menometrorrhagia
is the absence of menstruation
often defined as missing one or more menstrual periods
amenorrhea
is the medical term in infrequent menstrual periods (fewer than 76-80 periods in a year)
oligomenorrhea
is characterized by the recurrence of painful cramps during menstruation
dysmenorrhea
The cramps during dysmenorrhea is caused by?
uterine contractions
average onset of menstruation ___
average range ___
- 12.4
- 9-17 yrs
what is the odor of menstruation?
similar to marigolds
average amount of menstrual flow
30-80 ml
average menstrual flow
4-6 days
2-9 days is normal
What hormone in the hypothalamus initiates the menstrual cycle?
GnRH
GnRH instructs the anterior pituitary gland to make these two hormones which are
Follicle-stimulating hormone (FSH)
Luteinizing hormone (LH)
a hormone active early in the cycle that is responsible for maturation of the ovum
FSH
a hormone responsible for ovulation
stimulates growth of the uterine lining during the second half of the menstrual cycle.
LH or Luteinizing hormone
FSH and LH are called _____ because they cause the growth of the gonads
gonadotropic hormones
In day 14, the ovum has divided by mitotic division into two separate bodies:
1.
2.
primary oocyte (bulk of cytoplasm)
secondary oocyte (little cytoplasm)
The process of ovum set free from the surface of the ovary is called ___
ovulation
a bright yellow fluid high in progesterone that is released by the follicle cells
lutein
TRUE or FALSE: Basal Body Temperature will drop slightly (0.5-1 degree fahrenheit) before the day of ovulation
TRUE
After the ovulation the basal body temperature rises to 1 degree fahrenheit due to
concentration of progesterone which is thermogenic
When there is a conception, the ovum proceeds down a fallopian tube and implants on the _____ of the uterus
endometrium
it remains throughout the major portion of the pregnancy
corpus luteum
If there is no conception, the ovum ___ after ___
and the corpus luteum remains only for ______ days
4 to 5 days
8-10 days
regressed corpus luteum is replaced by white fibrous tissue called
corpus albicans