What’s wrong with a three-month-old baby who still can’t hold his head up?

The baby’s head is still unsteady at three months, may be related to the lack of vitamin D and calcium, but also may be related to the delayed development of motor function and other factors.
1. Lack of vitamin D and calcium: the baby three months head is still unsteady, may be related to the body lack of vitamin D and calcium rickets, but also accompanied by night terrors, occipital baldness, excessive sweating and other undesirable phenomena.
2. Delayed development of motor function: the above situation of the baby may be related to the delayed development of large motor due to various reasons.
The baby’s head is still unstable at three months, there may be other reasons, it is recommended to go to the hospital in a timely manner, improve the examination to clarify the cause of the disease, under the guidance of the doctor to give targeted treatment or treatment.