Pregnancy can change bowel habits and increase constipation and hemorrhoids, which may make mucus or bright red blood more noticeable. First identify whether the material came from the anus or vagina. Repeated bowel mucus, diarrhea, pain, fever, bleeding, dehydration, or uncertainty should be discussed with a maternity or healthcare professional.
Rectal mucus versus vaginal mucus
Mucus seen during a bowel movement may still be vaginal discharge. Later in pregnancy, a sticky yellow or blood-streaked vaginal ‘show’ can relate to the cervix and labour, not the bowel. Contact your maternity team if you are unsure where it came from or have pregnancy concerns.
Common bowel contexts
- Constipation and straining
- Hemorrhoids, which can cause soreness, bright red bleeding, or mucus discharge
- A temporary diarrheal illness
- An existing bowel condition that changes during pregnancy
Get advice sooner for
- Blood mixed with stool or bloody diarrhea
- Significant abdominal or rectal pain
- Fever, repeated vomiting, or dehydration
- Persistent diarrhea or constipation
- Reduced fetal movement, contractions, leaking fluid, or any maternity warning sign
Treatment needs pregnancy-specific advice
Do not start laxatives, anti-diarrheal medicines, antibiotics, or herbal products without checking that they are appropriate in pregnancy. Hydration and a symptom record can help while you contact your clinician.
Sources
We prioritize public-health agencies and established clinical institutions. Accessed August 19, 2026.
- Piles in pregnancy — NHS
- Mucus in stool: A concern? — Mayo Clinic
- Bleeding from the bottom — NHS