Maternal Health

Yeast Infections During Pregnancy

The short answer

Yeast infections are more common during pregnancy due to higher estrogen levels and changes in vaginal pH that promote Candida overgrowth. They affect about 1 in 4 pregnant people. While uncomfortable, yeast infections do not harm the baby during pregnancy. Topical antifungal treatments are safe and effective during pregnancy.

Parents everywhere have the same worry. You are doing the right thing by looking into it.

By Age

What to expect by age

Yeast infections may occur at any point in pregnancy. In the first trimester, talk to your provider before using any over-the-counter treatments. They can confirm the diagnosis and recommend safe topical antifungal creams or suppositories. Oral fluconazole (Diflucan) is generally avoided during pregnancy.

Yeast infections may recur due to ongoing hormonal changes. Wearing cotton underwear, avoiding douching, keeping the vulvar area clean and dry, and eating yogurt with live cultures may help prevent recurrences. Topical antifungal treatments (miconazole, clotrimazole) for 7 days are typically recommended during pregnancy.

Treating yeast infections before delivery is recommended, as the baby can contract oral thrush (a yeast infection in the mouth) while passing through the birth canal. Your provider can recommend appropriate treatment. Do not self-diagnose - similar symptoms can be caused by other infections.

What Should You Do?

When to take action

Probably normal when...
  • Thick, white, cottage cheese-like vaginal discharge with vulvar itching
  • Redness and swelling of the vulva
  • Burning with urination or intercourse
  • Symptoms that improve with prescribed antifungal treatment
Mention at your next visit when...
  • You think you have a yeast infection and want to confirm before treating
  • Symptoms do not improve after completing treatment
  • You are getting recurrent yeast infections during pregnancy
Act now when...
  • Vaginal discharge with a strong odor, gray or green color, or accompanied by fever, which could indicate a bacterial or sexually transmitted infection
  • Severe pelvic pain accompanying vaginal symptoms

Sources

Trust your instincts. If something feels wrong, reach out to your pediatrician.

Worrying about your baby means you care. That is a good thing.

Bacterial Vaginosis During Pregnancy

Bacterial vaginosis (BV) is a common vaginal infection caused by an imbalance in the natural bacteria of the vagina. It affects up to 30% of pregnant people. BV during pregnancy has been associated with increased risk of preterm birth and premature rupture of membranes, so it is important to be treated if diagnosed.

Normal Vaginal Discharge Changes in Pregnancy

Increased vaginal discharge (leukorrhea) is a normal and expected change during pregnancy. It is typically thin, white or clear, and mild-smelling. This increased discharge helps protect the birth canal from infection and maintains a healthy balance of bacteria. Changes in color, odor, or consistency may indicate an infection and should be evaluated.

Dealing with Abnormal Prenatal Screening Results

An abnormal prenatal screening result can be terrifying, but it is important to understand that screening tests are designed to cast a wide net and have significant false-positive rates. Most people with abnormal screening results go on to have healthy babies after further testing confirms the baby is fine. An abnormal screening is a reason for more information, not a diagnosis.

Pregnancy Over 35 (Advanced Maternal Age)

While pregnancy after 35 carries some increased risks (including chromosomal abnormalities, gestational diabetes, and hypertension), the vast majority of people over 35 have healthy pregnancies and healthy babies. The term "geriatric pregnancy" is outdated and does not reflect reality. With appropriate prenatal care and monitoring, outcomes are excellent.

Amniocentesis Questions and Fears

Amniocentesis is a diagnostic test performed between 15-20 weeks that analyzes amniotic fluid to detect chromosomal conditions and genetic disorders with over 99% accuracy. The risk of pregnancy loss from the procedure is approximately 1 in 500-1,000 when performed by an experienced provider. Understanding the actual risks can help you make an informed decision.

20-Week Anatomy Scan Unexpected Findings

The 20-week anatomy scan checks your baby's major organs, structures, and growth. Most scans are completely normal. When unexpected findings are identified, they range from minor variants that resolve on their own to conditions that need further evaluation. Many findings require nothing more than a follow-up ultrasound to confirm the baby is developing well.