Pregnancy spotting is common in pregnancy, but that does not make it any easier to accept. During different times in gestation, pregnancy spotting can occur and the cause will be dependent on several factors.
Sufficient lubrication, the secretion of fluid from the vaginal walls and glands, is an essential part of enjoying sex and when getting pregnant.
Up to 50% of couples report problems with proper lubrication. But when you are trying to get pregnant, there is concern about the sperm count -- every single sperm counts and you don't want to do anything that impairs the sperm count and/or function.