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The hypoechoic mass in myometrium
may be a fibroid
and the size is around 1 inch so i guess it is not so big that it should post any trouble in getting pregnant.So if it does not pose any problem in pregnancy
then it should not pose any problems even in delivery.Only thing to be seen is the area where it is present.If it is not around cervix
it is fine.For an expert opinion please consult your Gynaecologist for guidance and treatment .