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Mid cycle spotting

Mid cycle spotting (ovulation spotting) is well known phenomena – it is light short spotting that occurs in the middle of menstrual cycle (days 13-14-15) and coincides with ovulation (egg release from ovary). Few other causes could provoke bleeding between periods may coincide with the mid cycle days though they
are not due to ovulation. Although women could experience mid cycle spotting triggered by some other causes, in about 85-90% cases it is connected to ovulation hormonal peak. Ovulation spotting has been considered as normal phenomena and it doesn’t need any special attention and/or monitoring.

In general, only about 10-12% women could have mid cycle spotting – it often occurs during puberty and perimenopause. Ovulation spotting can be combined with pelvic pain or abdominal discomfort.

Ovulation spotting (mid cycle spotting) characteristics

Main ovulation spotting characteristic is that it occurs in the middle of menstrual cycle (during 13-16 days of cycle – actually after 10-16 days after menstruation depending on length of cycle).

Duration of ovulation spotting is very short – starting from few hours to 1-2 days.

During ovulation spotting women could have cramps, pelvic pain or abdominal pain.

Ovulation spotting doesn’t look like menstrual flow – it is usually red or brown spotting (sign of very limited fresh or old oxidized uterine bleeding).

Ovulation spotting causes

Mid cycle spotting

Mid cycle spotting

Health experts explain mid cycle spotting as a result of hormonal transformations – mainly as a result of dropped estrogen level that occurs during ovulation. Decreased level of estrogen cause thickness of uterine internal lining making it thinner – it leads to local bleeding. Actually ovulation spotting is a result of local (limited) uterine bleeding.

According to alternative theory, ovulation spotting is a result of bleeding which comes from the ovary that has ruptured to release the egg and therefore leads to mild bleeding through the Fallopian tubes into the uterus.

Mid cycle spotting possible causes

Some other causes of mid cycle spotting could coincide with ovulation period (mid cycle days). This type of spotting can occur for a variety of reasons.

Cervical factor

Few rare cervical abnormalities such as cervical polyps, cervical fibroids or human papillomavirus (HPV) could cause spotting any time of menstrual cycle (even during mid cycle). Usually spotting occurs because of tissue damages by polyps, fibroids and HPV pimples.
Cervical cancer also can cause spotting because of cancerous transformations in cancerous cells.

Endometriosis

Endometriosis is very specific disease which develops ectopic endometrial cells outside of uterus. Endometriosis implants could be attached on ovaries, Fallopian tubes, cervix, bladder, peritoneum and other locations. Bleeding from endometriosis implants could cause irregular spotting including during mid cycle.

Implantation bleeding

About 30-35% women could experience implantation bleeding that occurs when fertilized egg burrows (implants) into the uterine lining. During this process small vessels could be damages and cause spotting. Usually implantation bleeding appears 6 – 12 days after conception, so it is very unlikely that it would happen in the middle of cycle. More often implantation bleeding can be confused with regular menstrual bleeding.

Hormonal dysfunction

Uterine lining development and shedding always depends on hormonal fluctuation. It means any hormonal disturbances could cause bleeding, discharge or spotting. This is why hormonally determined spotting sometimes can coincide with mid cycle. In cases of hormonal dysfunction usually women experience vaginal spotting during different days of menstrual cycle but not only in mid cycle.
There are few hormonal diseases which could cause vaginal spotting – polycystic ovarian syndrome (PCOS), premature ovarian failure, thyroid dysfunctions and hyperprolactinemia.

Ovarian cyst

Some ovarian cysts can rupture and, according to health experts, this rupture usually occur around the time that ovulation should happen. In most cases ovarian cyst’s rupture cause not only vaginal bleeding or spotting but also severe sharp pain on either side of lower abdomen.

Sexual activities

During sexual period of life many women experience brown or reddish spotting after sexual activities because of internal vessels damages and it also can coincide with middle of menstrual cycle. This type of spotting could be a result of lack of lubrication or different vaginal factors including sexually transmitted diseases.
It should be mentioned that during ovulation cervix is more fragile and sensitive. This is why some sexual activities during ovulation days could cause mid cycle spotting.

Stress

Stress hormones could also trigger hormonal disturbances and cause not only mid cycle spotting but also late period, irregular periods, amenorrhea and uterine bleeding.


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