Medically Reviewed by Dr. David Peto on September 9, 2026

pregnancy, rest, people and expectation concept - happy pregnant woman sitting on bed and touching her belly at home

Yes, expectant mothers face a higher risk of developing gum disease during pregnancy because rising progesterone and estrogen levels make gum tissue more sensitive to the bacteria in plaque. This hormonal response, often called pregnancy gingivitis, can affect a large share of expectant mothers and typically peaks during the second trimester, even in women who maintained excellent oral hygiene before becoming pregnant.

At Advanced Periodontics of New Jersey, Dr. Matei and Dr. Peto work with expectant mothers to manage the oral health changes that come with pregnancy, coordinating care around gum disease prevention and treatment so that both comfort and long-term periodontal health are protected throughout the pregnancy. Our LANAP-certified team can also treat active gum disease safely during pregnancy when treatment cannot wait.

How Pregnancy Affects Your Gums

During pregnancy, increased levels of progesterone and estrogen change how your gum tissue responds to plaque bacteria, often producing what is commonly called pregnancy gingivitis. This hormonal shift can affect a majority of expectant mothers to some degree, most noticeably during the second trimester when hormone levels are at their highest. The changes also alter blood flow to gum tissue and how your body responds to bacterial toxins, which means even excellent home care may not fully prevent some gum inflammation during pregnancy.

Warning Signs to Watch For

Recognizing early signs of gum problems during pregnancy allows you to address them before they progress. Common symptoms include:

  • Gums that bleed when you brush or floss
  • Red, swollen, or tender gum tissue
  • Persistent bad breath
  • Gums that appear to be pulling back from the teeth
  • Changes in how your teeth meet when you bite

Some women also develop pregnancy tumors, small, non-cancerous growths on the gums that typically appear during the second trimester. These growths are usually harmless and often resolve after delivery, but they can make eating and daily oral hygiene more difficult in the meantime.

Why Gum Health Matters More During Pregnancy

Research has identified a link between severe, untreated gum disease and certain pregnancy complications, including preterm birth and low birth weight. Scientists continue to study exactly how periodontal inflammation may influence pregnancy outcomes, but the association is consistent enough that maintaining gum health during pregnancy is considered part of routine prenatal care, not a separate concern.

Protecting Your Gums During Pregnancy

Pregnancy gingivitis is largely preventable with consistent care. Brush gently but thoroughly twice daily with a soft-bristled toothbrush, since pregnancy hormones can make gums more sensitive to aggressive brushing. Daily flossing remains important for removing plaque between teeth, and mild bleeding when you first resume regular flossing typically improves as gum health gets better. An alcohol-free antimicrobial rinse and staying well hydrated can also help reduce bacteria, since pregnancy can reduce saliva production.

When to Seek Professional Care

Routine dental cleanings remain safe and encouraged throughout pregnancy, and both the American Dental Association and the American College of Obstetricians and Gynecologists recommend continuing regular dental care during this time. If you notice persistent bleeding, swelling, or gum discomfort, it is worth scheduling an evaluation rather than waiting, since early intervention can prevent minor irritation from progressing into more significant gum disease. Professional cleanings can also remove plaque and tartar that brushing and flossing alone cannot reach.

How Advanced Periodontics of N.J. Supports Expectant Mothers

We coordinate care around each patient’s pregnancy timeline, focusing on safe, effective treatments that address gum inflammation without unnecessary intervention. Dr. Matei’s faculty background at Columbia University College of Dental Medicine and the University of Pennsylvania School of Dental Medicine informs a conservative, evidence-based approach to care during pregnancy, prioritizing prevention and early treatment over more invasive procedures whenever possible.

Protect Your Smile Throughout Pregnancy

Dr. Matei and Dr. Peto bring specialized periodontal training and years of experience helping expectant mothers manage pregnancy-related gum changes safely. We take a proactive approach, addressing early symptoms before they progress into more serious periodontal concerns.

Do not let pregnancy gingivitis progress to more serious gum disease that could affect you or your pregnancy. Contact our office to schedule a consultation, and let us help you keep your smile healthy throughout your pregnancy and beyond.

Frequently Asked Questions About Pregnancy and Gum Health

Is it safe to get dental treatment while pregnant?

Yes. Routine dental cleanings and most periodontal treatments are considered safe throughout pregnancy, and both the American Dental Association and the American College of Obstetricians and Gynecologists encourage continuing dental care during this time.

Will pregnancy gingivitis go away after delivery?

In many cases, symptoms improve after delivery as hormone levels return to normal, but ongoing oral hygiene and dental care are still important to prevent the gingivitis from progressing into more serious gum disease.

What are pregnancy tumors on the gums?

Pregnancy tumors are small, non-cancerous growths that can appear on the gums, usually during the second trimester. They are generally harmless and often shrink or disappear after delivery.

Can gum disease during pregnancy affect my baby?

Research has identified an association between severe, untreated periodontal disease and certain pregnancy complications, including preterm birth and low birth weight, which is why maintaining gum health is considered part of routine prenatal care.

When during pregnancy is gum sensitivity most noticeable?

Gum sensitivity and inflammation tend to peak during the second trimester, when hormone levels are at their highest, though some women notice changes earlier or later in pregnancy.

About the Author

Dr. David Peto

Periodontist, Advanced Periodontics of N.J.

Dr. Peto and co-founder Dr. Matei lead Advanced Periodontics of N.J., providing individualized periodontal and implant care to patients throughout New Jersey.

Dr. David Peto is a board-certified periodontist practicing in New Jersey and New York. He completed his dental education at the University of Toronto Faculty of Dentistry, followed by hospital-based training at the Los Angeles County/University of Southern California Medical Center, where he also served on faculty. He later completed his periodontics program at the University of Texas Health Science Center at Houston.

Dr. Peto is LANAP-certified and known for his conservative, evidence-based approach to periodontal and implant care. He has published articles on genetic control of bone formation and cosmetic periodontal procedures, and has served as a clinical instructor at UCLA.