I am 8 weeks pregnant. I have hyperemesis and have had diarrhoea for the last three days. I am wondering if this is causing a miscarriage. I had some sharp pains last night, have had heavy, thick, vaginal discharge since yesterday morning and now some pink spotting. My lower abdomen feels tight - like it's about to start cramping. Also, despite having had hyperemesis (extreme form of morning sickness) today I don't feel sick. Does this sound like the start of other people's miscarriages?