X chromosome abnormalities! How is it dangerous to the baby?

A disease caused by abnormalities of the X chromosome (X-Linked Recessive Disorders) 

Duchenne muscular dystrophy, a disease caused by genetics or by the mutation of patient’s genes. It only happens in boys.

X chromosome abnormalities! How is it dangerous to the baby?


The incidence of newborn boys with Duchenne is 1:5,000. The baby will usually be born with symptoms of muscle weakness in various parts of the body such as the arms, legs, cardiac muscle, and muscles in respiratory system, etc.

During the first period of birth, children with Duchenne muscular dystrophy grow normally. However, symptoms begin to appear before the age of 6 and the symptoms usually first develop in the leg muscles. It may cause the patient to have enlarged calves. Walks more slowly than children of the same age and often falls when starting to walk. It causes impaired motor development making children have trouble walking upstairs or getting off the floor, running slowly. In later stages, the patient may walk on tiptoes or walk in a duck stance.

Symptoms of Duchenne do not affect the level of intelligence. It does not cause pain in various muscles. Patients can hold their bladders and bowel movement normally. If abnormalities in the child’s development or symptoms like the muscle weakness as mentioned above are found, it is recommended to see a doctor.

The progression of the disease is progressively deteriorating (progressive disease). People with this condition often experience weakening. Patients will gradually lose the ability to move or walk, and eventually will need a wheelchair around the age of 12 and finally will not be able to move on their own. Children with this disease have an estimated lifespan of 25 years and often die of heart/lung disease.

However, if you suspect that you or your family member is a carrier of Duchenne muscular dystrophy, you should consult a doctor before planning to have children. The doctor will check for abnormalities in the genes of the couple and assess the level of risk that your child will suffer from Duchenne muscular dystrophy.


Prime Fertility Center, we not only provide infertility treatment services but what we aim and consistently develop is customer service with care, being ready to provide consultation, taking care and paying attention to every emotion like a family member. As we well understand the feeling, pressure, and stress of those who are unable to have babies. So, we aim to deliver warmth and offer full services to facilitate our patients. We work with the determination and attention of our specialized doctor, embryologists, and skillful staff in taking care of the patients and providing a comprehensive counseling service.


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