Yes it is apparent that your knowlege is limited and perhaps even somewhat challanged, thus it is easy to see why you offer the limited insights on the matter.
When it comes to hearing of a woman becoming pregnant without the benifit of intercourse , as only one case senerio i offer you the topic of
artifical insemination. they use donor sperm that is delivered to them and it is inserted into the uterus. THEN WE HAVE ALL THE LADIES WHO WERE IMPREGNANTED BY SPERM DEPOSITED AT THE MOUTH OF THE VAGINIA, NO PENIS WAS EVER INSERTED. tHEN THERE IS THE OLD TURKEY BASTER METHOD USED BY LADIES WITHOUT PARTNERS OR BY SAME SEX COUPLES.