PregPrevQ

Anyone who's sexually active like Cleopatra,or her sexual partners like Mark Anthony and many others,should be a good inventer of devices or methods for proper pregnancy prevention .That is how Elizabeth Taylor,I mean Cleopatra ,came up with the idea of a good and effective technique of contraception:
Salt
Mouse excrements(probably enhanced by female hormones containing urine)
Honey
Resin
...and apparently this combo worked ,according to population pop professionals,historians,archeologists,and more importantly:Sexologists.
Let's try it next time in superpopulated developing countries,and or personally!