It is at this time during the 28 /29 days equals to the lunar cycle when the woman experiences the death of the egg that was never fertilized.
(It; is; at this time; T:during the 28 /29 days) (the woman; experiences; the death of the egg) (the egg; was never fertilized; )
It the woman the egg
is experiences was never fertilized
at this time T:during the 28 /29 days
the death of the egg