I am B(+) and my girlfriend is O(-). In the last 3-4month we had unprotected sex several times in 4-5weeks' gap. I had withdrawn every time. Recently she is feeling like- in times, the blood in her joints are not circulating properly when her hand is kept in a position for 5-10mins. There are many other complications she complains about before and after we started having it unprotected. -She is suffering from deficiency in blood (or low Hg) from the last 7-8month. -She had typhoid 1year ago