Pantyliner
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A pantyliner (also pantiliner, panty liner or panty shield, vaginal cover) is an absorbent piece of material used for feminine hygiene.<ref name=":0">Template:Cite web</ref> It is worn in the gusset of a woman's panties (the bottom of the panties between the legs that rests against the vulva).<ref name=":1">Template:Cite web</ref> Some uses include: absorbency for daily vaginal discharge, light menstrual flow, tampon and menstrual cup backup, spotting, absorbing leaking semen that was ejaculated into the vagina during sexual intercourse, and urinary incontinence.<ref name=":0" /><ref name=":2">Template:Cite web</ref> Panty liners can also help women who are having discharges and about to start their cycle. Pantyliners are related to sanitary napkins in their basic construction<ref name=":1" /> but are usually much thinner and often narrower than pads. As a result, they absorb much less liquid than pads, making them suitable for light discharge and everyday cleanliness. They are generally unsuitable for menstruation with medium to heavy flow, which requires them to be changed more often.<ref name=":1" />
There are many variations in pantyliner design for use in different circumstances, including heavy vaginal discharge and light period flow.<ref name=":2" /> There are also styles designed to be worn with thong underwear.<ref name=":2" />
Many pantyliners are single-use products, sticking temporarily to underwear with an adhesive. Some also have "wings" that secure the pantyliner to the underwear.<ref name=":2" />