Swollen veins inside of labia?? (No pic)

K • Baby E 3.1.17 💙 Baby B 2.25.20 💙 Baby due Nov '22
I'm 23w4d. About a week ago, I noticed a big swollen vein inside my labia on one side, & now it's happening on the other side too. I feel like that area's been somewhat engorged with blood for a while now, and I've had a sensation of pressure when I'm on my feet for a long time, but that pressure sensation has gotten way more pronounced since these lumpy veins have shown up.
Has anyone experienced this, & if so, do you know whether it's normal? (Sorry for the TMI question! FTM. I have an appointment to see my OB for my 24w appt on Thurs, so I will certainly be asking her then.)

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