 [ Symptoms ] my period only last 36 48 hours which is my norm is that why i have had 2 yrs of no luck getting pregnant  my husband and i have been trying for two years to have a child i am turning 30 next month and in my family after 30 equals issues my normal period is only 36 48 hours could this be preventing me from getting pregnant [ Disease ] it is common to have decrease in stool frequency or constipation after switching from breast milk breastfeeding to formula feed as long as your child is feeding well passing gas from below has no vomiting and has a soft belly there is nothing to worry about it is normal to pass stool once every 2 3 days also you may note change in stool color green after switching to formula feed in this scenario you can try using a cotton q tip cotton swab apply some lubrication on it and stimulate the rectal area to see if your child passes stool if this does not help then try seeing your local pediatrician who can help with rectal stimulation and passage of his stool for further queries consult a paediatrician online   > <link>