YOU SAID:

i had a had had had had babies

INTO JAPANESE

私が持っていた、持っていた赤ちゃんを持っていた

BACK INTO ENGLISH

I have had, had had a baby

INTO JAPANESE

私が持っていた、赤ん坊を持っていた

BACK INTO ENGLISH

I had had a baby,

INTO JAPANESE

赤ちゃんを持っていた

BACK INTO ENGLISH

Had a baby

INTO JAPANESE

赤ちゃんを持っていた

BACK INTO ENGLISH

Had a baby