Sexturday: Period Sex can be pleasurable, but you need to look after some important points before having sex on the menstrual cycle. If you are following every rule and regulation, then your period sex also gives you similar pleasure as you get without periods. It happens only because of the fluctuations in their hormones and these also increase sex drive, So, if you are thinking of having periods sex then it will surely increase your sex drive which is also called Libido.