Hi welcome to health care magic forum. As you was for a long time on oral contraceptives, the traces of the drug may be left in the body for quite some time, but duration of the delay no one can pridect. It is not compulsory that it will take time you may become pregnant in the next month it self.
Though you are in fertile stage, it is always better to be in touch with the gynaecologist, for examination.
Besides i advise you to follow some diet recommendations as take more of green leafy vegetables, pulses, sprouts, fruits , juices, egg, meat, and sea foods to provide the body with iron, proteins
, minerals, and anti oxidants necessory for the body to perform normal functions successfully.
Wishing for a quick and immediate fulfilment of your urge, and thanks forn calling.