 [ Symptoms ] vomiting no period not pregnant since i lost wright for 3 years ago i didnt have period eversince today i am 162 cm and 42 kg also i have stomach pain and vomit at least once in a month what could it be [ Disease ] it is never a good idea to stack your packs i would try a different brand of birth control pills something with higher hormones in them another idea is to try a different form of birth control such as the patch iud depo shot i personally did not like the depo shot because i had alot of break through bleeding and more pregnancy symptoms then when i was actually pregnant with my sons your period is a natural thing that should not be avoided it can be very unhealthy