A subchorionic hematoma is one of the most common causes of bleeding in the first trimester of pregnancy (usually during 10 to 20 weeks) and make up about 11% of cases.

Dimitrios Kambouris/Getty "So anyone out there with a subchorionic hematoma or SCH as they call it, I hope this video will help you if you experience a lot of intense bleeding in your first trimester.

Spotting or light bleeding in pregnancy is probably from something minor. But it could also be a sign of a serious problem, such as an ectopic pregnancy, a miscarriage, or an infection.

“Towards the end of the two weeks of being really sick, I got a subchorionic hematoma, which is basically a blood clot in my uterus,” she continued. “And I was bleeding everywhere.” ...

Related: Pregnant Olivia Culpo Reveals Why She Thinks She's Having a Baby Boy "Like two weeks of just not being able to move and then all of a sudden just like purging. It was like a lot.

Olivia Culpo has detailed a blood clot that appeared during the early weeks of her pregnancy. Sharing her experience via a TikTok post on Tuesday, March 18, Culpo, 32, detailed how her recently ...

A subchorionic hematoma causes blood to collect under the chorion membrane during pregnancy, according to the Mayo Clinic. Progesterone suppositories can be helpful with women with this issue.

Culpo, who announced her pregnancy in March, said she was forced on bed rest for four weeks after coming down with pneumonia and being diagnosed with a hematoma that had her thinking the worst.

“I got a subchorionic hematoma, which is basically a blood clot in my uterus, and I was bleeding everywhere,” Olivia said in a Dec. 12 video shared to her TikTok March 18.