How much would it cost to add a 200 sf room (20'x10') onto a house. A bare room, with the concrete foundation as the floor inside. If it were built with the cheapest (reasonably quality) materials possible, with no heating, plumbing etc. Just a concrete foundation, attached to the house, with walls...
Most of the time, blood in the semen is caused by swelling or infection of the prostate or seminal vesicles. The problem may occur after a prostate biopsy. Often, the cause of the problem cannot be found.
This results in a black color period blood. Anything obstructing the flow of period blood from the uterus by blocking it or stopping it to pass through the cervix and then out from vagina can cause problems of color of period blood. It may be because the menses could not come out of uterus or even the vagina.