Hi there i looked into pgd in Thailand before trying a girl sway. 4 day cut off, dh and i took suppliments, avoided major diet no no's and dtd at least twice a day from end of period to 4 day cut off, shallow penetration, no orgasm for me, and toilet straight after. Sounds like fun lol. I do think 4 day cut off plus regular dtd to cut off made a difference. Also with the suppliments i guess they were aimed at changing the ph of my environment. Good luck everyone.