Persons who have adequate mental capacity to make a decision about their health and health care are entitled to do so based on their own interpretations of their interests, without undue influence from health care professionals, family members, or others. However, children being minors, they may not be able to take such decisions on their own. Hence parents should be allowed to tale these decisions on their behalf
Parents should not be allowed to make sterilization decisions for their handicapped children. Sterilizing disabled children without their approval especially if the child is likely to develop the ability to give consent is lawfully incorrect according to some countries like Australia. Though sterilizing handicapped children is a decision supported by most caregivers.
I don't think it would be right for parents to make the decision to sterilize a child, especially given the fact that they wouldn't pursue having children until they reach adult age anyway. There are many advancements and things we continue to learn about those with disabilities that it wouldn't be right to take someone's potential away.
No, parents should not be allowed to make sterilization decisions for their handicapped children. While parents necessarily make many difficult decisions for their handicapped children who are unable to make the decisions themselves, they should always make the best decisions with the least amount of harm. Sterilization procedures are sometimes invasive and always drastic. Whenever possible, a less dramatic action should be taken such as birth control, etc.