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HomeAnswersInternal Medicineblood sugar levelsPlease give the blood sugar levels chart for newborns.

What is the normal range of blood sugar in a newborn?

What is the normal range of blood sugar in a newborn?

The following is an actual conversation between an iCliniq user and a doctor that has been reviewed and published as a Premium Q&A.

Medically reviewed by

iCliniq medical review team

Published At October 30, 2017
Reviewed AtSeptember 8, 2023

Patient's Query

Hi doctor,

God has blessed me with a sweet angel today. She is 6.99 lb in weight, and all came up normal. The sugar level was 32, so doctor shifted her to NICU. Now, glucose supplement is going on along with mouth feed in an interval. Her heart rate is 136 bpm, and SPO2 is 100. Do I need to worry on this anymore? Please advice. Are there any cases where the baby is born with less sugar in blood? How to cope up with the same?

Hello,

Welcome to icliniq.com. It has multiple causes, and the common one is a sudden change in the environment on the basis that from mother to outside. Many newborns get such symptoms, and most of the times it is not a matter of worry. It resolves in a day or two as the baby adapts to the environment. Feedings should be offered at 2 to 3 hour intervals and the newborn monitored for symptoms like jitteriness, tremors, sweating, irritability, etc., consistent with hypoglycemia. Breast milk is a strongly preferred one. Overall, it does not look like a matter of worry.

Patient's Query

Thank you doctor,

I hope all will be fine. As glucose supplement and food are going through the mouth, her glucose increased to 47 and then to 67. So, is it becoming normal? Also, what is the normal range of sugar in a newborn?

Hi,

Welcome back to icliniq.com. Yes, it is becoming normal. By four to six hours of age, sugar is in the range of 45 to 80 mg/dL. Then, it rises more slowly in the next few days to concentrations similar to those seen in adults that is, more than 60-70 mg/dL.

Patient's Query

Hi doctor,

Good news is now her glucose peaked to 72 with less than a day and with no extra dose of glucose. Today's action is to lower the glucose saline (formula) and increase feed by mouth and monitor. Her current feed by mouth is 12 mL of milk every 2 hour. Out of worry, I asked the RMO in NICU, if she is fine and is the only candidate who has this. The doctor said that it is quite normal and good that we catch in beginning. She also mentioned that my baby is doing fine and no dose needed to be increased for her regarding glucose. She also said that some babies might require overdose and take two or three days to cope up. I hope everything is in the right direction. Do you have any idea about when my baby can be transferred back to nursery? As a matter of fact, I know I sound dovish, you can understand what tension I am going through. Your quick reply is highly appreciated.

Hi,

Welcome back to icliniq.com.Yes, as of now, there is no matter of worry. She should be fine. It is a common condition as I mentioned.She is probably there just for observation and should be shifted out in a day or so. Congratulations and all the best.

Same symptoms don't mean you have the same problem. Consult a doctor now!

Dr. Sagar Ramesh Makode
Dr. Sagar Ramesh Makode

Cardiology

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