I don't know how to feel....maybe TMI

After 8 1/2 months TTC I found Out I was pregnant at 4 weeks. Went in for my first ultrasound for my first pregnancy... I should have been 9 weeks; however during the ultrasound the nurse tells me she has some bad news. My embryo didn't not develop past 5 weeks. She was sorry to tell me that I was having a miscarriage. I don't remember anything after she said that or what the doctor said to me, all I knew was that I was no longer pregnant and I was no longer going to have a baby in October... I had very minimal spotting twice before that which they said happened in 30% of first trimester pregnancies, but no other signs that this was going to happen to me. After I came home I almost instantly starting bleeding with a normal period flow. Later in the evening I had some clots. I also threw up five times and had a horrible headache. Today my flow has lightened to almost spotting. I have had periods of crying and other periods of calm.