15. What is the relationship
between the estrogen level
and the LH level in the
menstrual cycle? What is the
function of LH in the
menstrual cycle and when
does its blood concentration
reach a peak?

Gap-fill exercise

Fill in all the gaps, then press "Check" to check your answers. Use the "Hint" button to get a free letter if an answer is giving you trouble. You can also click on the "[?]" button to get a clue. Note that you will lose points if you ask for hints or clues!
The increase in the concentration
of estrogen with growing of the
ovarian causes the hypophysis to
LH. In this phase acts
together with FSH the
maturation of the that at the
14th ruptures releasing the female
(ovulation). After the release
the ovum LH acts the
formation of the luteum, a
structure made the remaining
follicular mass. LH concentration is
at atthe 14th day of
cycle.