When is dark menstrual blood a cause for concern?

I noticed that my menstrual blood is very dark (almost black) on the first day of my period. The blood becomes lighter and redder on subsequent days. This has been happening for the past 3 cycles. When is dark menstrual blood a cause for concern? 
Dr Paul Ang
"Family Physician with special interest in Mental Health"
(1 Reviews)

Thank you for asking this interesting question Hazel, I am sure many patients are keen to know as well.

If you remembered some chemistry from your school days, iron oxidises, or rusts. So the longer the iron or the lining has been in your body, the more likely it will "rust" inside.

It is absolutely normal to have brownish or even black colour menses on the first few days. But of course if you are worried, you can see a GP or Gynae to have it checked.

Take care!

635 views 16 Nov 2018
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