in general does cause excessive bleeding and once the birth control pills are started the bleeding comes under control in about 1 -2 cycles. The way you are bleeding is of concern and needs urgent treatment with some medication that can control the bleeding and also some iron tablets as you may already be anaemic due to so much loss of blood. To answer your question Primolut N
and birth control pills estelle 35 contain the same hormonal
content and may not really help any further. Please see a gynaecologist on an urgent basis so that you can be prescribed the right medicines.
Hope this helps. Take care.