Ok so I went to my first appointment to see the ob nurse and get blood drawn and talk about health history last week Friday (25th), also said i was about 4 weeks pregnant!!! they just called me back this morning and said they need me to come in bc the blood levels were low and they want more blood tests to see if I may have had a mis carriage or if it was just to early...i just took another pregnancy test and it was positive and I'm still just nervous for some reason....please calm my nerves