Pregnancy and inflammatory bowel disease: a prospective case-control study

Area of Science:

• Gastroenterology
• Obstetrics
• Perinatology

Background:

• Inflammatory bowel disease (IBD) encompasses chronic inflammatory conditions of the gastrointestinal tract, primarily ulcerative colitis (UC) and Crohn's disease (CD).
• The impact of pregnancy on IBD activity and vice versa, alongside potential drug effects on fetal development, remains incompletely understood.
• Existing literature presents conflicting data regarding the interplay between IBD and pregnancy.

Purpose of the Study:

• To prospectively investigate the influence of pregnancy on women with pre-existing IBD.
• To evaluate the outcomes of pregnancy in women with IBD compared to healthy pregnant women.
• To assess the course of IBD during and after gestation.

Main Methods:

• A prospective follow-up study involving 9 pregnant women with IBD (4 UC, 5 CD).
• Comparison groups included 9 non-pregnant women with IBD and 18 healthy pregnant women.
• Outcomes assessed included newborn birth weight, abortion rates, delivery timing, and disease activity post-partum.

Main Results:

• Newborns of mothers with IBD had significantly lower birth weights compared to controls (2530g vs. 3242g).
• Pregnant women with IBD experienced significantly higher rates of therapeutic/spontaneous abortion and premature delivery (56.6% vs. 5.6%).
• No significant differences were observed in disease course between pregnant IBD patients and non-pregnant IBD controls, nor in fetal death rates.

Conclusions:

• Gestation in women with IBD is associated with adverse outcomes, including premature delivery, abortion, and reduced fetal growth.
• Clinicians should be aware of these increased risks and monitor pregnant IBD patients accordingly.
• The study highlights the need for careful management of IBD during pregnancy to mitigate potential complications.