But stored fat is broken down and ketones are made if your diet does not contain enough carbohydrate to supply the body with sugar (glucose) for energy or if your body can't use blood sugar (glucose) properly. Ketones can be tested in a laboratory.ut stored fat is broken down and ketones are made if your diet does not contain enough carbohydrate to supply the body with sugar (glucose) for energy or if your body can't use blood sugar (glucose) properly. Ketones can be tested in a laboratory.
Vasectomy is a safer, cheaper procedure that causes fewer complications than tubal ligation in women. Although vasectomy is expensive, it is a one-time cost and is often covered by medical insurance. The cost of other methods, such as birth control pills or condoms and spermicide, is likely to be greater over time.
Vasectomy is not always 100 percent effective in preventing pregnancy because on rare occasions, the cut ends of the vas deferens may rejoin.