No period for 5 months negative pregnancy test what could be wrong?

hi im sherna 21 years old and had a unprotected sex and i am now 5 months no period i had pregnancy symptoms lower back ache, and i try pregnancy test unfortunately its negative.. what should be the problem any one can explain it pls..im so curious

I'm 24 yrs old, and I've had a period since I was 13 yrs old. I have NEVER missed a period in 11 years. Recently I had sex back at the end of June, and for the month of July I did not have a period. Also, it is now August 13 and I have STILL not had a period. My nipples are burning, my ankles are swelling, and its noticeable, I've had occasional cramps on my lower right side but no period. But I've taken FOUR pregnancy tests in the past four weeks and they've been negative. This is so uncommon for me. I havent had rapid weight gain, I haven't been stressed, so I dont know what the problem could be...

I had my LMP last May 7,2015, last sex on January of 2015. I missed my period last June and still waiting this July, what seems to be the problem?

I'm 32 yrs. old, I got my tubes tied 10 yrs ago. I've always had a regular AF every 28 days. My last AF was May 5-2015. I'm now 41 days late and I took 4 hpt and all negative. I haven't been able to make a dr. appointment since he's all booked. Please tell me what is going on so I'm not so worried. Thanks

I've Had unprotected sex since January this year, because around middle of January I had 2 Weels of stomach ache and headaches and that's when the pregnacy signs Started to showed up, I also Had all the signs of pregnancy and I still continued to have unprotected sex with out any pills, I have taken the test this month and still a negative this should be the 5 month I get regular periods each month but they seem different from my normal period and also my stomach has grown a bit bigger don't know if it's just fat or if I actually am my boobs have been getting bigger also and I have been having alot more dischsrge. The food I eat tends to come back up my throat also but I still get a negative test what should I do????

I haven't had my period for over 3 months, I took 7 pregnancy tests so far and they all came up negative. I do have like sticky gooey discharge but that's it. I'm really scared bc I don't wanna be pregnant. I'm scared to make a doctors appointment to find out what's going on bc I'm scared I could be pregnant and I don't want my mom finding out. I have a little stomach but I don't know if it's from all the food I eat or what. I'm just scared. and worried.

haven't had sex before and I haven't been on my periods for 5months. what is the problem? please help

I do not have normal periods I never have . I had unprotected sex back in July . I'm experiencing severe fatigue , breast are lactating . I've gained worth in my lower abdomen . I have severe headaches daily . People have even asked if I'm pregnant . I've taken test and thy are negative . I feel like something is moving around . I have a 2 year old son .

Anonymous
My son is 13 months. Me and his father had unprotected sex. Now my period is late going on 4months. The only time I've experienced anything like this was when I was pregnant with my son. I took 3 pregnancy test which all came back negative, but I'm really confused because most of the time I feel something moving in my stomach!! Can anybody tell me what they think about my situation please....

I always have irregular periods. .. delayed even for 4 to 5 months. ... I had my last period 5 months back... is it ok if I have unprotected sex...