Hello and welcome to HCM
You have mentioned that you have had three abortions and all three abortus did not have a heart beat. Absence of heart beat indicates that the fertilized ovum got implanted in the uterine wall but the embryo did not develop further. This is called 'blighted ovum' or anembryonic pregnancy.
The most common cause of blighted ovum is chromosomal abnormalities and it leads to first trimester abortion. It is due to poor quality ovum or poor quality sperm.
It is infact nature's way to put an end to an abnormal pregnancy.
You have mentioned that you have a fibroid in posterior wall causing indentation of the uterine cavity
Most of the fibroids are asymptomatic and those which are symptomatic cause dysmenorrhoea, menorrhagia
is a rare complication and it mainly occurs when the fibroid causes severe structural deformity
of the uterine cavity.
However, the of repeated miscarriages is not fibroid as absence of heart beat in the embryo is due to chromosomal abnormality and not due to fibroid.
You cannot do much about the chromosomal abnormalities but only get ultrasonography
done regularly once you get pregnant again.
Thanks and take care
Dr Shailja P Wahal