It's common during pregnancy to have more of the odorless or mild-smelling milky discharge that you may have had only occasionally before. Chalk it up to your body's surging estrogen levels and increased blood flow to your vagina and cervix.
The discharge is made up of secretions from your cervix and vagina, old cells from your vaginal walls, and normal vaginal flora.
Call your caregiver if the discharge is causing you discomfort, such as itching or burning, or is foul-smelling, frothy, or yellow, green, or gray. These are all signs of infection. Later in pregnancy, an increase in discharge or a change in the type of discharge (if it becomes watery, mucus-like, or bloody – even if it's just tinged with pink or brownish old blood) may signal preterm labor and should prompt an immediate call to your caregiver.
Coping with excess vaginal discharge
You can wear an unscented panty liner to absorb the discharge if you wish. To keep your genital area from becoming irritated, avoid using scented or deodorant soaps, scented toilet paper, or feminine hygiene sprays.
Don't douche – douching can upset the normal balance of vaginal bacteria, making you more vulnerable to yeast and other infections. And, in very rare cases, douching can introduce air into your circulatory system through the vagina, which can cause serious complications.