Does the period duration shorten with the use of a cup? Why does the period shorten with the use of a cup?
![Amazon.com: Menstrual Cups (2 Packs) - Period Cups Reusable, Soft & Flexible Leak-Free Feminine Hygiene Products - Heavy Flow Menstrual Cup - Large Size : Health & Household Amazon.com: Menstrual Cups (2 Packs) - Period Cups Reusable, Soft & Flexible Leak-Free Feminine Hygiene Products - Heavy Flow Menstrual Cup - Large Size : Health & Household](https://m.media-amazon.com/images/I/71ewxiEOccL.jpg)
Amazon.com: Menstrual Cups (2 Packs) - Period Cups Reusable, Soft & Flexible Leak-Free Feminine Hygiene Products - Heavy Flow Menstrual Cup - Large Size : Health & Household
![Menstrual Cup Soft and Elastic Medical-grade Silicone Period Cup with Storage Bag Comfortable Leak-proof Reusable Women Cup - Walmart.com Menstrual Cup Soft and Elastic Medical-grade Silicone Period Cup with Storage Bag Comfortable Leak-proof Reusable Women Cup - Walmart.com](https://i5.walmartimages.com/asr/e585da4f-f331-4a6c-98a0-a2a36bb09104.0a6791cc25ee3db2e0031ffd4bb13ca6.jpeg)
Menstrual Cup Soft and Elastic Medical-grade Silicone Period Cup with Storage Bag Comfortable Leak-proof Reusable Women Cup - Walmart.com
![Amazon.com: Lena Menstrual Cups | Reusable Beginner Period Cup | 12h Wear | Tampons, Pads, and Period Discs Alternative | Feminine Hygiene Care (Purple and Turquoise, Small and Large) : Health & Household Amazon.com: Lena Menstrual Cups | Reusable Beginner Period Cup | 12h Wear | Tampons, Pads, and Period Discs Alternative | Feminine Hygiene Care (Purple and Turquoise, Small and Large) : Health & Household](https://m.media-amazon.com/images/I/61w-Sm1chZL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: Lena Menstrual Cups | Reusable Beginner Period Cup | 12h Wear | Tampons, Pads, and Period Discs Alternative | Feminine Hygiene Care (Purple and Turquoise, Small and Large) : Health & Household
![Menstrual cups are a safe, environmentally friendly option for people with periods, study says | CNN Menstrual cups are a safe, environmentally friendly option for people with periods, study says | CNN](https://media.cnn.com/api/v1/images/stellar/prod/151112171431-reusable-cup.jpg?q=w_3500,h_2253,x_0,y_0,c_fill/h_618)