Are my prenatal causing very dark poop?

[Bpaem]

I'm 10 weeks pregnant and have been taking a prenatal with iron. I've had a rough time with constipation since being pregnant and just today I noticed that my poop was very dark almost black. It wasn't tarry but rather like hard nuggets. Just wondering if anyone has had anything similar and if the change in colour could have been caused by iron? I'm going to give the doctors a call tomorrow too.

Definitely can be caused by iron

I'm on iron tablets and the same happens to me. I always take my tablet with a glass of orange juice and that helps with any discomfort.

Yes that's absolutely the iron. I couldn't take pregnancy vitamins because of he iron content causing really bad constipation. I took folic acid with vitamin D.

Yep caused by iron! Don’t panic.

Sounds like the iron. Wash them down with orange juice- vitamin c increases the uptake of iron. Don’t wash them down with tea- tannin inhibits it. Same with milk. It’s ok to drink tea, milk, etc, just don’t wash the tablets down with it.