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Reasons for Having a Period Every Two Weeks

 
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The menstrual cycle occurs in all females from the onset to puberty (average age 11 or 12 years) to the menopause in middle age (average age between 45-55). The lining of the uterus is shed via vaginal bleeding when a girl or woman has not conceived a pregnancy.

The menstrual period lasts between two days and seven days, usually occurring once every 28 days, although anything from once every 24 days to once every 35 days is considered normal.

If you are having a period more than once every 24 days, it is considered an irregular cycle.

Having a period once every two weeks, or twice a month is abnormal and you should see your doctor because you may become anemic if you are having very frequent periods. They are sometimes a sign of infection or other medical problem that would need treatment.

Reasons for a period every two weeks could be:

• Dramatic weight loss or gain -- This changes the hormones in the body and these are responsible for directing when the period will start.

• Excessive exercise -- This too disrupts hormones.

• Stress -- Exams, family argument, financial worries, divorce, even a holiday can cause a temporary change in your menstrual cycle.

• Illness and/or medications -- Some medications can affect your cycle. Talk to your doctor about altering or stopping your medication if you think this is happening.

• Uterine problems such as polyps, cysts, fibroids or tumors (either benign or cancerous).

• Sexually transmitted infections -- These can cause bleeding in between periods which can be mistaken for a period.

• Thyroid problems -- Thyroid disease could cause a thickening of the uterine lining, resulting in more bleeding than normal.

• Reactions to contraceptive methods -- Sometimes the pill, depo provera injections or the copper-only IUD can result in a change in your cycle.

~ The pill and IUD can make you bleed in between periods, known as "breakthrough bleeding" and this may be mistaken for a period.

~ The IUD can also make your periods heavier.

~ The depo-provera injection can make your cycle irregular, however, it often stops your period altogether instead of making it more frequent.

Add a Comment151 Comments

EmpowHER Guest
Anonymous

I Am 12,and my first period lasted 2 weeks then I was off of it for 5 day then I'm back on it.

June 25, 2016 - 7:48pm
EmpowHER Guest
Anonymous

I'm 17 and I hadn't gotten my period in over 2 years so I went to the gyno and got put on birth control. Now it seems like I get my period every 2 weeks (I've been on the pill for about three/four months daily now) and my mom said it might be my period just catching up for lost time or something but idk. Could this be something serious?

June 15, 2016 - 11:09am
Maryann Gromisch RN Guide (reply to Anonymous)

Hi Anonymous,

Please speak with your gynecologist about this. You may need your prescription switched. Bleeding every two weeks puts you at risk for iron deficiency anemia. If this is allowed to go on, blood loss from prolonged bleeding can be serious.

Better to talk with your doctor.
Maryann

June 16, 2016 - 8:57am
EmpowHER Guest
Anonymous

Hi I am 31 years old now and its 5 months now I am having a regular menstration again....I have this irregular menstration If I dont drink contraceptive and since I am abroad now so I stop drinking then I don't have period in every two months now...twice is happen for five months...what will I do?? Please give me some idea

May 6, 2016 - 1:20pm
Susan Cody HERWriter Guide (reply to Anonymous)

Hi Anon

 

It sounds like you have a very irregular cycle- possibly due to a hormonal imbalance in your system.  You will need to contact a doctor at some state for some blood tests to see what's going on.

Best,

Susan

May 6, 2016 - 2:18pm
EmpowHER Guest
Anonymous

Hi I am 24 years old.I have been seeing my periods for every other weeks in about 2 mths now.any advice i have 2 kids n my husband is out of the country.

April 30, 2016 - 7:47pm
Susan Cody HERWriter Guide (reply to Anonymous)

Hi Anon! 

The reasons (possibilities) for a period every two weeks are listed in the article above.  Please consult your doctor for an evaluation. You may have a hormonal irregularity. 

Best,

Susan

May 2, 2016 - 6:38am
EmpowHER Guest
Anonymous

Hi there, I have been on a mini-pill called Microval for about 4 months now. My periods are between 11 and 13 days apart. Do you think it can be because of the pill and if so when will it go back to normal? Should I rather go back to the doctor?

April 18, 2016 - 6:27am
Maryann Gromisch RN Guide (reply to Anonymous)

Hello Anonymous,

Have you been having a period every 11 to 13 days apart since you started taking Microval? I am not familiar with this particular oral contraceptive. Do you take three weeks of active, hormone containing pills and then a week of inactive pills?

My advice is to contact your doctor.

Regards,
Maryann

April 18, 2016 - 9:29am
EmpowHER Guest
Anonymous

Hi, i am 23 yrs old and i've been bleeding for every two weeks for the past 2 years. After meeting a gynecologist, i've been diagonosed with 1.2*1.4 cm lesion in my uterus.. I have been on oc pills and recently it is 0.9*0.6. A new clear cyst is found in right adnexa .. Will it affect my fertility?

April 11, 2016 - 11:33am
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We value and respect our HERWriters' experiences, but everyone is different. Many of our writers are speaking from personal experience, and what's worked for them may not work for you. Their articles are not a substitute for medical advice, although we hope you can gain knowledge from their insight.

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