Brief Answer:
It could be due to vaginitis

Detailed Answer:
Hi,
Abnormal leukorrhea may be caused by infections with bacteria, yeast, or other microorganisms. For example, many sexually transmitted diseases, which involve the transmission of viruses or bacteria and include diseases such as gonorrhea and chlamydia, are major causes of leukorrhea.
Vaginal discharge (medically known as leukorrhea), refers to the natural secretions that are released from a woman's vagina.
Leucorrhoea treatments include antibacterial and
antifungal medication to treat infections. Vaginal gels and creams are used to treat yeast infections.
Treatments are usually based on the underlying cause
and require a gynaecologist's expert diagnosis You might notice more vaginal discharge than usual when you're pregnant. This is called leucorrhoea. It usually looks clear or white and doesn't have a strong smell. It's caused by a higher level of the hormones oestrogen and progesterone in pregnancy.
Other causes
Certain hygiene practices, such as douching or using scented sprays or soaps.
Cervical cancer.
Pregnancy.
Vaginal atrophy , also called genitourinary syndrome of
menopause.
Vaginal cancer.
Vaginal fistula.
Hope found useful
Regards

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