black belly button

Yes belly button / armpit will become darken. After deliver, will be better. Don’t worry If dirt or dry , use ear cotton buds with oil base or soap to gently clean.

Wash it thoroughly with soap and water during shower or you can also clean it using a cotton bud soaked in olive/coconut oil

I have the same problem tried using vaseline and clean with cotton wool later but still nothing.

It's normal. After you give birth everything will be OK.

No need to clean

Try cotton bud?

If ots the skin colour changed due to pregnancy u cant clean it away. If its dirty. Just use oil (baby oil, coconut oil, bio oil) with cotton bud or pad to clean it off