Vaginal Infections During Pregnancy
What causes vaginal discharge in pregnancy?
Your body transforms in many ways when you're pregnant, and an increase in vaginal discharge just happens to be one of those (not-so-fun) changes. If the discharge is clear or white and odor-free, it's most likely caused by pregnancy hormones, and it's a sign that the vagina is healthy. But sometimes excess discharge signals an infection, which occurs when the natural balance of bacteria that lives in the vagina is disrupted.
Four vaginal infections, ranging from common to more rare, can affect pregnant women: bacterial vaginosis (BV), yeast infections, Group B Strep (GBS), and trichomoniasis. The good news is that when vaginal infections are diagnosed promptly they're generally easy for doctors to treat. The tricky part is differentiating between normal discharge and discharge that signals an actual infection. Here, we break down the causes of each infection, the symptoms, the treatments, and preventative tips.
- RELATED: Vaginal Discharge During Pregnancy
Bacterial Vaginosis (BV)
Approximately 1 in 5 pregnant women will develop this itchy, irritating infection, according to the National Institutes of Health. BV occurs when there is an overgrowth of bacteria that naturally lives in the vagina, which, in pregnancy, can be influenced by shifting hormones. If left untreated, BV symptoms will persist and the baby may be born early or have a low birthweight. (In women who are not pregnant, BV can lead to pelvic inflammatory disease, which can cause infertility or damage the fallopian tubes.) BV can be diagnosed with a simple vaginal culture; your doctor inserts a swab, collects a sample of your discharge, and looks at it under a microscope.
- Thin grayish-white discharge
- Pain during urination
- Itching around the vagina
BV sometimes goes away on its own. If you are in your first trimester, your doctor may wait to treat it until your second trimester. A course of antibiotics, usually Metronidazole or Clindamycin, generally does the trick.
- RELATED: Bacterial Vaginosis During Pregnancy
- Never sit around in a wet bathing suit or sweaty panties; always put on a clean pair of cotton underwear after you're finished swimming or working out.
- Wear comfortable, cotton underwear that will allow air to circulate. Avoid tight pantyhose or pants, which can cause bacteria-inducing sweat.
- Sleep without underwear to reduce your risk of infections.
- Wipe front to back when you go to the bathroom. This will keep bacteria spreading from your anus to your vagina.
- Skip bath oils – they can trap bacteria.
The itching and burning brought on by a yeast infection is usually caused by an overgrowth of Candida, a fungus that naturally lives in the vagina. During pregnancy, increased levels of estrogen and progesterone help create the kind of environment in which yeast can thrive. Other causes of yeast infections include taking antibiotics and having intercourse, both of which can disrupt the natural pH in your vagina. You doctor can diagnose a yeast infection with a simple vaginal culture; she inserts a cotton swab, collects a sample of your discharge, and looks at it under a microscope.
Yeast Infection Symptoms
- Pain and itching in the vagina; the area can sometimes feel raw, too
- Redness and swelling of the vagina and labia
- Thick, curdled whitish-yellow discharge; may or may not have an odor that smells like bread baking
- Pain or discomfort during sex
- Burning while urinating
Yeast Infection Treatment
A cream or ovule that you insert into your vagina, or an oral antifungal medicine such as Diflucan
Yeast Infection Prevention
- Wear cotton underwear, which will allow air to circulate and absorb any discharge.
- Sleep without underwear--this can reduce your risk of infections.
- Stay well hydrated to help flush out toxins. Drink at least eight glasses of water a day.
- Urinate regularly to help eliminate infection-causing bacteria.
- Eat complex carbohydrates and whole grains instead of refined sugar to help decrease the environmental factors for infections.
- Consume yogurt often. Lactobacillus, naturally found in yogurt, is a probiotic that promotes proper digestion and is known to help prevent vaginal infections.
- RELATED: Preventing Yeast Infections
Group B Strep (GBS)
According to Myra Wick, M.D., an Ob-Gyn at the Mayo Clinic in Rochester, MN, 20 to 25 percent of all healthy woman have GBS bacteria living in their system, usually in the intestinal tract, rectum, or vagina. Your doctor will automatically test you for GBS between weeks 35 and 37 of your pregnancy.
Because many healthy people have GBS living in their bodies, it's unclear why some individuals develop more serious infections from GBS while others do not, according to the Mayo Clinic's website.
GBS may cause a urinary tract infection (UTI) in some people, but others have no symptoms at all. Symptoms of a UTI include pain or burning during urination, cloudy urine, and a sudden urge to urinate.
If you test positive for GBS, you'll receive antibiotics during your delivery so that you don't pass the infection to your baby. (Without antibiotics your baby is at risk for early-onset GBS disease, which causes fever, difficulty feeding, and lethargy.)
Unfortunately, there's no way to prevent GBS.
With an estimated 7.4 million new cases each year, "trich" is one of the most common and most curable sexually transmitted diseases, according to the Centers for Disease Control and Prevention (CDC).
The Trichomonas vaginalis parasite is transmitted sexually and typically lives in the vagina.
- Greenish-yellow, frothy, foul-smelling discharge
- Itching, burning, and possible irritation during sexual intercourse
Your doctor will most likely treat you with oral antibiotics such as Metronidazole and Tinidazole.
- Get tested so that if you or your partner has trich you can get it treated before the other one catches it.
- Stick to one partner to decrease your chances of being infected with trich.
- Use a condom to help prevent spreading this infection should you or your partner have it.
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