PICA?

Im currently 25w2d. I've developed a habit of smelling laundry detergent. It's been going on for a while but getting worse. I crave the smell. Multiple times a day I bury my nose in the bottle and inhale over and over. I've even created a small travel size bottle so I can have some with me at all times. Sometimes i crave to inhale it through my mouth. Most recently I started wanting to taste it. I have tasted a dab of it twice but don't have a strong craving for it like I do to sniff or orally inhale it..im ready to tell my doctor as I feel terrible about the affects it could be having on my baby and I need help? But I'm scared. I'm my mind its like doing drugs and I'm scared he'll report me? I have read up on PICA and I'm not sure if that's what's going on bc my desire is not so much to taste it. The 2 times I did I was just curious. Can I get in trouble if i tell my doctor?