Africans were also used in large numbers for slavery because they were easier to buy. During the beginning of the Atlantic Slave Trade, Africans were willing to sell other Africans as slaves to Europeans because they had their own system of slavery.
You could have sex towards the end of your bleeding and then actually conceive 4 or 5 days later with your early ovulation. The probabilities of getting pregnant while on your period are low, but the possibilities are there. This is not the time to have sex if you are trying to get pregnant.
there is another possible way that you can get pregnant while on your period if your period ends just a few days before you ovulate it is possible that the sperm can live inside of your body for several days it could be that the sperm from as many as 6 or 7 days ago can make you pregnant