Pregnancy is what happens when the male sperm meets the ovum of the female and then fertilized egg implants in the uterine wall from where the child was. So any kind of sex where sperm enters the vagina can result in pregnancy - even when the penis is near but not inside the vagina when he ejakulon. No matter which position you are in, one thing you must understand is that: Sperm + egg + = Shtatëzanëi climbing uterus.
But what are the chances that a woman becomes pregnant from unprotected sex? It depends on which day of the cycle it is.
Can you be pregnant during your period (menstruation)?
The short answer is YES! If you have your period (menstruation) regular you less likely to conceive Pregnancy while menstruating than when you are without them - but this does not mean that it is impossible. How do we know that it is impossible? Well there have been some tests to find the so-called "standard days" where women have had unprotected sex in specific time during their cycle, including while they were with period (menstruation), and one of the four women were pregnant by use this method. So remember if you really do not want to get pregnant you must have sex, protect likelihood exists that otherwise might remain pregnant on any day of your cycle.