Explore the reasons behind a baby making hiccuping sounds during sleep and explain the normalcy of this phenomenon in the process of neurodevelopment.

Discuss the ability of a four-and-a-half-month-old boy to lift his head while lying on his stomach and the possible causes of torticollis, and provide professional advice.

Inquiring about the normalcy of a newborn’s green stools after 14 days of taking medication for jaundice.

Discuss whether it is normal for a two-month-old newborn to have a stuffy nose and occasional cough, and provide professional advice.

The newborn is currently experiencing jaundice on the 8th day of life, and parents are inquiring whether it is normal.

The baby girl is 18 days old, her jaundice index has dropped, but suddenly she doesn’t cry or disturb. Her drinking and eating are normal, and her body temperature is normal. Is it normal for a newborn to not cry or disturb with jaundice?

For newborns, not pooping for four days could be normal, but it might also be a sign of a digestive system issue.

The movement of a newborn’s fontanel varies from person to person and is a normal phenomenon, not related to neural tube defects.

A newborn’s testicles being of different sizes is usually caused by hydrocele, which may absorb on its own. If it does not, surgical treatment may be considered.

Discuss the situation of newborn jaundice not fading by the 8th day and provide professional medical insights.