green poo πŸ™ˆ

this is such a disgusting thing to ask but for the last 2 days i've been having regular poops that are dark green in colour! i've not changed my diet at all or vitamins or eaten anything funny coloured , i have spoke to my midwife but she just passed it off as a tummy bug which it isn't coz i don't feel ill was just wondering if anyone could shed some light on it or if anyone else has experienced the same ? getting a little worried as i'm only 35+2 πŸ™ˆ