is this bad?..?

i just changed my 3.5 week year old and i just said she was sick..in my last question..but when i just changed her she had a little bit of poop...that had a green tint to it could this be diahrear??..and is this a sign that i should take her too the hospital.. because..my dad thinks she'll be fine..but idk he said to take her to the doctors in the morning should i wait??

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13 minutes ago
iam only 17..years old and this is my first ..so pleace help..thanksBy Airagirl1...