The detection of ovulation can be important for determining the fertility of a woman. This can usually be detected by careful monitoring during the menstrual cycle.


Detection methods:

(1) clinical

(2) biochemical

(3) ultrasonographic


Clinical findings associated with ovulation:

(1) rise in basal body temperature

(2) mid-cycle abdominal pain


Biochemical findings associated with ovulation:

(1) increase in urinary LH concentration (precedes ovulation by 24-36 hours)

(2) increase in serum progesterone


Ultrasonographic changes associated with ovulation:

(1) appearance of a small amount of fluid in the cul-de-sac

(2) collapse of a previously large follicle

(3) secretory endometrium (change from multilayered to more echo-filled)


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