Looking for reassurance really, long story short, found out I was pregnant whilst bleeding assumed was period only took test as I was a week late and felt iffy, 4th pregnancy so feel like I can read my body now, anyway blood tests confirmed pregnancy went again a week later to see if theve risen which they did, but this week was asked to go for ultrasound, I went and the nurse said they could see the gestational sac but was struggling to see a yolk, the size of the sac would but me at around 4-4 1/2 weeks, so she said could be I’m too early to see it or it isn’t a viable pregnancy, had bloods done again still rising but her words (not drastically) have another scan tomorrow which is only 4 days from the first so feel like not much will have changed in a short space of time, has anyone else had anything similar happen? What happened how long was you monitored for??

Thanks in advance. Xx