There is a chance you are not inserting the ring correctly.
Try this: use an empty tampon inserter to push it in all the way.
Still not working? If it is still an issue, think about using a method you will not need to insert yourself. Think about injectable, implant.
Try a different method: implant, IUD, injectable.
References:
- World Health Organization Department of Reproductive Health and Research and Johns Hopkins Bloomberg School of Public Health Center for Communication Programs (2018) Family Planning: A Global Handbook for Providers. Baltimore and Geneva. Retrieved from https://apps.who.int/iris/bitstream/handle/10665/260156/9780999203705-eng.pdf?sequence=1