Irregular gestational sac

Rupa

My lmp was 15-01-2024,

Hcg levels - 11-02-2024 - 74

13-02-2024-95

20-02-2024- 1900( no gsac seen in Tranavaginal scan)

22-02-2024- 3900( irregular small gsac seen)

I had coffe color spotting for 3-4 days during 4 th week,but now no spotting.....I had 4 miscarriages earlier at the age of 5 weeks...

Am I heading to another miscarriage?....I thought at 5 week 2 days...I will be able to see....clear g sac...