 [ Symptoms ] can you have a period while pregnant  my girlfriend and i have been having protected sex condom and her period was about a week late i have heard that girls can still have their period a couple months into pregnancy i have made sure that i used the condom correctly and she has taken tests and came up negative am i just paranoid [ Disease ] you probably are paranoid if the test are negative however a female can still have a period while pregnant this is a result of very low hcg counts if a female has periods and negative test without any other symptoms she is probably not pregnant but if the other symptoms appear sore breast enlarged abdomen nausea and vomiting etc then the blood test are advised and next a vaginal ultrasound