Well, if you are posing this type of material on a generic platform like Rediff, imagine, if a young boy / girl is going through this, what sort of a culture you are inculcating into the society ? Do you think people don't know the positions ? If yes, look at our country's / World population. So, my sincere suggestion will be, if this site is restricted to general topics / news it will be appropriate.
While on on side we are over-populated (based on several factors), this article tries to do its best to get more However, since Hindustanis are in a political minority, I suggest the Missionary position as the best: I have had several successes (the woman needs to keep her hips a couple of inches from the horizontal for a couple of minutes for best results)