I'd recommend getting a hysteroscopy to find out if it's impeding pregnancy. Sounds like it's a very small one so hopefully it's not. But the location is very important. I was diagnosed with one about 3.75cm and had a hysteroscopy and was told they couldn't even see anything inside my uterus. So either it's on the outside of my uterus or it disappeared. So ask for a hysteroscopy and a hysterosalpingogram. The hysteroscopy usually can't see your entire tube but only the tube opening but it's good to see the actual uterus inside. The hysterosalpingogram can test for tube blockage.
Fibroids are usually not a problem with maintaining a pregnancy, but can sometimes keep the embryo from implanting if it tries to implant where the fibroid is. So, yours is small so probably a less chance of problems, depending on the location.
Fibroids are very common. I think around 60%. I had two removed but only because I was having surgery for something else, so they went a head and removed them while they were in there. I go ahead and ttc, if you are unable to get pg after a year or have trouble carry a pregnancy, it is something you should look into.
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