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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 Comment143 Comments

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
Susan Cody HERWriter Guide (reply to Anonymous)

Hi Anon!

 

I'm sorry about your recent diagnosis but we cannot predict if it will affect future fertility - please address this concern to your doctor.

Best,

Susan 

April 12, 2016 - 6:57am
EmpowHER Guest
Anonymous

I'm 14 and I'm a little scared because my period has been really heavy lately and I had to start getting super plus tampons with heavy pads and my last period was 2 weeks ago and I just started again about 2 days ago, is this normal or should I tell my mom and ask about going to a doctor

April 5, 2016 - 12:51pm
EmpowHER Guest
Anonymous (reply to Anonymous)

I'm 13 and I'm the same and I dunno what to do just know ur not alone

- a secret friend

April 29, 2016 - 1:15pm
EmpowHER Guest
Anonymous (reply to Anonymous)

Tell mom n go to dr

April 11, 2016 - 1:36pm
Susan Cody HERWriter Guide (reply to Anonymous)

Hi Anon

Some women get very heavy periods, even when young but do talk to your mother about your concerns and see if maybe a visit to the doctor is a good idea.

Best,

Susan

April 8, 2016 - 6:49am
EmpowHER Guest
Anonymous

I just got off my period last Tuesday and I started back again today I don't know what is going on going to call my dr. in the morning to see what's going on with me it making me sick to my stomach I'm nauseated and throwing up please help me figure out what going on with me

March 29, 2016 - 7:22pm
Susan Cody HERWriter Guide (reply to Anonymous)

Hi Anon

It sounds like you may have some sort of hormonal imbalance going on that is also causing you to feel sick.  You may want to ask for blood tests to know your hormonal levels and a physical to rule out cysts.

Let us know how your appointment goes! 

Susan

March 30, 2016 - 5:59am
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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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