The side effects of HCG are many and notable. These effects are similar to other hormonal birth control methods such as combined oral contraceptive pills, Depo-Provera, etc. The effects may include prolonged bleeding, irritability, restlessness, slight water retention, Irregular periods, acne, headaches, abdominal pain and weight gain. There s also abnormal menstrual bleeding which usually makes most of the woman to remove that rod. Few gynecologists also believe that women are more prone to diseases like breast cancer as a result of this HCG. There can be other side effects as well like anxiety, induce mild insulin resistance, clinical depression and mood swings. There are various complications raised as a result of this which could be broken or damaged implant, fibrosis, impalpability of implant and slight migration. It may be able to be caused by migration or fibrosis, damage, requiring an ultrasound assessment or removal ... see more HCG is actually a short form or an acronym which means Human Chorionic Gonadotropin. The hormone is naturally induced within the body of a woman when she gets pregnant, and this type of particular hormone just becomes present in urine. The side effects of HCG are many and notable. These effects are similar to other hormonal birth control methods such as combined oral contraceptive pills, Depo-Provera, etc. The effects may include prolonged bleeding, irritability, restlessness, slight water retention, Irregular periods, acne, headaches, abdominal pain and weight gain. There s also abnormal menstrual bleeding which usually makes most of the woman to remove that rod. Few gynecologists also believe that women are more prone to diseases like breast cancer as a result of this HCG. There can be other side effects as well like anxiety, induce mild insulin resistance, clinical depression and mood swings. There are various complications raised as a result of this which could be broken or damaged implant, fibrosis, impalpability of implant and slight migration. It may be able to be caused by migration or fibrosis, damage, requiring an ultrasound assessment or removal. A right consultation with a doctor has to be made before taking any necessary steps. There can also be some kind of development in ovarian hyper stimulation. More over you are nearing your menupause stage which may be one cause for your symptoms Read more: http://www.righthealth.com/topic/Hcg_Side_Effects#ixzz1OBWJjXZQ