In most cases, bleeding caused by implantation will be either brown or light pink in color. The flow is very light and will only last a short amount of time. Some women will also experience some cramping as well. Bleeding will come and go, and be very light.
A chemical pregnancy is simply a miscarriage that occurs very early on in a womanâs pregnancy. Often, this is because a woman was able to obtain a positive determination of pregnancy from a test before her period typically occurs.
Certain drugs taken preconceptionally may be a risk factor for negative pregnancy outcomes. Some examples of drugs which should be managed carefully during the preconception period are: 1  Isotretinoins: If used in pregnancy to treat acne, it can result in miscarriage and birth defects.