What causes yellowish-white discharge during the second trimester of pregnancy?

Generally, yellowish-white discharge during the second trimester of pregnancy may be caused by increased cervical mucus, changes in vaginal pH, sexual stimulation, bacterial vaginosis, or vulvovaginal candidiasis. Specific explanations are as follows:

1. Increased Cervical Mucus

As the cervical os begins to soften and dilate, cervical mucus secretion increases in preparation for childbirth. This increased mucus may appear as yellowish-white or milky-white discharge, typically without irritation or odor.

2. Changes in Vaginal pH

Under normal conditions, the vagina has a relatively acidic pH, which helps inhibit the growth of harmful bacteria. However, during pregnancy, hormonal changes can increase the vaginal pH, making it more neutral or alkaline, which may lead to the appearance of yellowish-white discharge.

3. Sexual Stimulation

Sexual activity may stimulate blood flow or vaginal tissues, leading to temporary changes in vaginal discharge. This is usually transient and does not cause long-term or serious effects.

4. Bacterial Vaginosis

Bacterial vaginosis is a common infection usually caused by an imbalance in vaginal bacterial flora. This infection may alter the color and consistency of vaginal discharge, possibly accompanied by an unpleasant odor, itching, or burning sensation. Under medical guidance, patients may be treated with medications such as metronidazole tablets or clindamycin tablets.

5. Vulvovaginal Candidiasis

During pregnancy, hormonal changes increase the risk of yeast infections, which may cause vaginal itching, white, curd-like discharge, and in some cases, the discharge may have a yellow tint. Patients may use antifungal treatments such as compound clotrimazole cream or nifuratel tablets as directed by a physician.

If yellowish-white discharge occurs during the second trimester, it is recommended to seek timely medical evaluation and receive appropriate treatment under a doctor’s supervision. It is important to maintain good personal hygiene, wear breathable underwear, avoid excessive use of soaps or cleansers, and attend regular prenatal check-ups and consultations with your healthcare provider.