Placentex is the brand name of human placental extract.
It is used to treat many conditions like vitiligo
, pelvic inflammatory disease
, abdominal pain
, dysmenorrhea, adnexal tenderness etc.
You didn’t mentioned for which problem your doctor prescribed the drug to you.
Well as there are no much studies on this drugs to evaluate the total side effects.
According to some studies it is shown that in higher doses it may affect liver, kidney
and can cause hormonal
Because of hormonal imbalance it will cause menstrual irregularities like prolongation of menses.
But the underlying cause for what you are using drug may also responsible for your problem. Anyhow you wait for some more days if you do not get you periods consult your doctor.