YOU SAID:
I am unable to breastfeed because of a birth defect
INTO JAPANESE
先天性欠損症のため母乳育児ができない
BACK INTO ENGLISH
Inability to breastfeed due to birth defects
INTO JAPANESE
先天性欠損症による母乳育児の不能
BACK INTO ENGLISH
Inability to breastfeed due to birth defects
That didn't even make that much sense in English.