Since your pregnant rt now continue with pregnancy. It may go till term or it can affect pregnancy. What ever happen time will tell. No body can tell you about future of pregnancy. If some thing happen in this pregnancy then it is better to remove fibroid before planning next pregnancy.
Some time 4 wk pregnancy is not seen in usg. So don't worry get usg after 2 wk n if in between you start bleeding with pain contact your Dr. immediately. Some time tubal pregnancy is not visualise in early stage.
If you had eclamptic fit (fit due to high BP, then in your next pregnancy you take precautions from the beginning and keep your BP under control by taking regular medicines ,chances of recurrence of fit is less.
Unwanted 72 is inwoon to cause hormonal imbalance and result in abnormal bleeding. This kind of bleeding does not indicate pregnancy however. I suggest you wait for another 2 days and if bleeding does not stop, then take tablet Tranexa 500 to control the bleeding.