New research from UK-based parenting site ChannelMum.com found that half of the 1,194 parents who try to conceive have more sex than they normally do.

Researchers broke this number down to determine how much sex these prospective couples had. An energetic 10 percent confessed they had sex 15 to 20 times each month to conceive and some–one in 20–managed to do the deed 21 to 25 times, which is just insane. Conversely, five percent had sex only once a month but did manage to get pregnant. For most, however, the lucky number was 13. Which seems manageable.

“Far from being an unlucky number, 13 seems to be the lucky number couples need each month to fall pregnant,” Siobhan Freegard, founder of ChannelMum.com, said. “But while trying to conceive can be fun, it is also hard work, stressful and not every couple is lucky enough to get conceive, so while you’re focused on the baby, try to remember about each other too.”

While over a third of women and half of men “loved” having more regular sex, almost 20 percent admitted that the sex had become routine and started to feel like a chore, which is likely attributed to the fact that 43 percent of respondents felt the pressure in case their efforts failed.

In total, it was posited that it takes 185 days–or just over six months–from deciding to conceive to a positive pregnancy test. No surprise, the poll revealed that women took the lead when trying to conceive, with two in five admitting they often initiated sex. A very strategic 13 percent admitted they invested in some sexy lingerie to seduce their partner and one in 16 women even booked a “baby-making vacation.”

To improve their odds, half of women tried to plan their sexploits on fertile days and 40 percent improved their diets and took extra vitamins. Unorthodox methods like fertility spells and gender prediction calendars were used by five percent of women.

Just under a third of couples got pregnant in the first month, where a fifth of respondents took between a year and three years. Which positions made this happen? Missionary took the top spot and was used by roughly 75 percent of couples. In second came doggy-style, used by 36 percent. The “eagle,” an inscrutable position that places the woman flat on her back while the man kneels and lifts her legs to penetrate, came third.

Of course, all couples conceive differently and there is no universal formula to baby-making. If nothing else, this study shows us that the journey to conceive will be filled with lots and lots of sex. So don’t freak out if things don’t work out right away, just be safe and enjoy the ride.