Hello dear
Understand your concern.
Primolout N conatin synthetic
progesterone.
Menstruation required co ordinate action of various hormone that secreted by ovary (estrogen and progesterone) and brain (FSH and LH).
If any above hormone is decreased or increased there is imbalance in menstruation.
Primolout N cause
hormonal imbalance and that is the reason for
irregular menstruation as a side effects.
Following are common side effects:
headaches, nausea, irregular bleeding,
fluid retention,
dizziness,
weight gain and depressed mood,
either sleepiness or insomnia,
bloating, a decreased or increased sex drive,
discomfort of the breasts.
Wait for 1-2 days more.
Bleeding will come.
If not come, Consult to gynecologist and do hormonal profile and USG
Hope this may help you.
Best regards
Dr. sagar