My 3months 3 weeks old has not pooped for three...

Dear Customer
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Is its ok to not having stool ( poop ) for 3 days ?
in newborns , 3 - 4 days without stool is considered normal if the baby have no other symptoms 
General advices :
1. increase breastfeeding 
2. increase your baby activity and give him/her sometime to move ( safely )
3. massage your baby tommy gently 
What if the constipation last longer or were accompanied by other symptoms ?
1. consult a pediatric doctor 
2. doctor may advise to change the formula powder type to more suitable one 
3. in case of infection , doctor may precribe antibiotics 
4. in severe constipation , there is some medication to increase intestine motlity such as laxutives 
6. if there is a serious medical issue the effect your gastic system , advanced medical test may be orders 
Causes of constipation in newborns ?
1. diet
2. formula type 
3. gastric infection and disease 
Required medical checks : 
1. clinical medical check by specialist doctor
2. blood test 
3. urine and stool test 
4. abodminal CT scan ( if needed ) 
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Kind Regards

Dear customer , you are welcome 
best regards