If you can't live without lube, Masterson says you can use Pre-Seed, an FDA-approved “fertility-friendly” lubricant developed by doctors. It's pH-balanced to match fertile cervical mucus as well as the pH of his sperm, so it won't hurt your odds of conceiving.

What improves chances of conception?

Have sex often, at least 3 times a week, the more often you try, the more chances you get at becoming pregnant. Lying down for at least a few minutes after sex increases the odds that the sperm will be able to keep their date with the awaiting egg. Make sure that you have been properly screened for STDs.

Does Pre-Seed help sperm motility?

Conclusions: Pre-seed® was the lubricant which had the least negative effect on sperm function, with Conceive Plus® a close second, due to the significantly higher sperm motility and vitality parameters measured following lubricant exposure.