I am in my second trimester and lately I have developed a craving for smelling chalk? Is it normal?

documents with all security features like the holograms, watermarks, functional bar-codes, microchips https://onlinedocumentsforsale.com/passport/ https://onlinedocumentsforsale.com/drivers-license-here/ https://onlinedocumentsforsale.com/covid-19-vaccination/ https://onlinedocumentsforsale.com/nclex/ https://onlinedocumentsforsale.com/birth-certificates/ https://onlinedocumentsforsale.com/id-card/ https://onlinedocumentsforsale.com/testimonials/ https://onlinedocumentsforsale.com/contacts-us/ https://onlinedocumentsforsale.com/ https://t.me/GeneralExpressDocuments https://t.me/