Thank you for posting your question. I will do my best to help you
As per information provided in the query,NuvaRing
is a contraceptive
device which is inserted deep into the vagina and worn for three weeks and is to be remove NuvaRing for one week — allowing menstruation
to occur — then insert a new ring.
There might be cramping ,low back pain
as a part of Menstruation in many women (which is not abnormal),If the pain is severe, One can use anti-spasmodics-Tab meftal spas
twice a day for the period days.
As of Unprotected intercourse
in absence of Nuva ring, it depends on the day of your cycle.
Usually ,ovulation occurs on 14th day of the cycle and menstruation on 28th-30th day of cycle ( one is likely to conceive if Intercourse happens during 12 to 14 days of the menstrual cycle).
First day of the cycle is to be calculated from the day 1 on your period (day 1 will be day one of the cycle).
If you happen to have unprotected intercourse,kindly check with your gynecologist for further advice.
I hope that I have answered your questions fully and been of some help.
If you have anymore questions please contact me again anytime