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Doctor insights on: What Is Normal Uterine Lining Thickness

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What is a normal uterine lining thickness before my period?

What is a normal uterine lining thickness before my period?

Average is 10.5-11: Mm in mid-luteal phase and one of the studies showed that it does not influenced by whether there was a pregnancy or not after that cycle. If there is no specific complaint or problem, numbers can deviate and it can still be normal. ...Read more

Uterus (Definition)

The uterus is a muscular organ in a woman's pelvis where the the fertilized egg attaches ...Read more


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Pelvic u/s done 2 months postpartum. Uterine lining was 4mm... Did not have period until 8 months postpartum. What's a normal thickness postpartum?

Pelvic u/s done 2 months postpartum. Uterine lining was 4mm... Did not have period until 8 months postpartum. What's a normal thickness postpartum?

Sonogram: The lining of your uterus changes throughout your cycle. If you were premenstrual meaning right before your period I would expect it to be thicker. If you did the sonogram right after your period I would expect it to be thinner or less that 4mm. ...Read more

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Cd3 e2 level of 76. Two follicles at 10.3mm and 12.5mm. Uterine lining of 6mm. Is this normal for cd3? Does this indicate dor?

Cd3 e2 level of 76. Two follicles at 10.3mm and 12.5mm. Uterine lining of 6mm. Is this normal for cd3? Does this indicate dor?

Maybe DOR: High day 3 Estradiol > 75 and advanced follicle on day 3 may indicated diminished ovarian reserve. Check amh levels and the number of antral follicles on day 3 to confirm. ...Read more

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Is uterine lining 7 days after ovulation 7.8mm is normal?

Is uterine lining 7 days after ovulation 7.8mm is normal?

A little small: We like to see 10mm at ovulation, thus continues in to second half of cycle. However 6 mm is enough to get pregnant. ...Read more

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Is it normal to shed a clump of uterine lining that looks like an anatomy dissection with your period?

Is it normal to shed a clump of uterine lining that looks like an anatomy dissection with your period?

Yes: It is quite normal, but still you can do a pregnancy test to make sure no miscarriage ...Read more

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Haven't had period since baby was born 7 months ago -- pelvic u/s showed 4 mm uterine lining. I'm nursing. Dr said this was totally normal?

Yes: If u are breast feeding u may not get a cycle until u cut down to 1-2 times per day, your doc is right and he or she did the right thing to do an ultraosund. ...Read more

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45 years old. Had pap and ultrasound and both were normal but pap came back with endometrial cells on uterine lining. I had just finished cycle.

45 years old. Had pap and ultrasound and both were normal but pap came back with endometrial cells on uterine lining. I had just finished cycle.

A thought: There are cervical cells from the cervix.
There are endometrial cells which are the uterine lining.
The goal is to detect cervical or uterine cancer and the best hope is for normal cells! ...Read more

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Unprotected sex 5 weeks ago. Started pill same day as unprotected sex. Period started on time, had clots that looked like uterine lining. Normal?

Unprotected sex 5 weeks ago. Started pill same day as unprotected sex. Period started on time, had clots that looked like uterine lining. Normal?

Not pregnant: If you had unprotected sex and had a period after, then you may have gotten lucky because you did not ovulate during the time you had sex. Your first period after starting pills, if they delayed your period, can lead to more bleeding than usual that can lead to clots, so this could be totally normal. Keep taking those pills daily to avoid pregnancy. ...Read more

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What does it mean to have endometrial cells on the uterine lining? I am 45 and had just finished my cycle when I had ultrasound and pap normal

What does it mean to have endometrial cells on the uterine lining? I am 45 and had just finished my cycle when I had ultrasound and pap normal

See below: Endometrial cells are what make up the uterine lining, so this is a normal comment. If on the other hand, you are having abnormal bleeding (as a reason for the ultrasound that you had performed) and there are endometrial cells on a pap smear, then you definitely need further evaluation of the uterine lining to rule out pre-cancerous changes called hyperplasia. ...Read more

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I've read that lutera not only suppresses ovulation but also thins the uterine lining. When I stop taking it will my uterus go back to normal?

I've read that lutera not only suppresses ovulation but also thins the uterine lining. When I stop taking it will my uterus go back to normal?

Yes: Most oral contraceptive pills (ocps) thin the uterine lining. Think of it this way, many doctors will prescribe ocps to treat heavy menstrual bleeding because the pills work to keep the lining of the uterus thin; therefore, minimizing monthly blood loss. This does not damage the uterus. After discontinuing pills, your uterus will be normal. ...Read more

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I've had an IUD for 2 months and I've been on my period 4 days now I'm passing huge clots. Is this normal? I thought iuds thinned the uterine lining

I've had an IUD for 2 months and I've been on my period 4 days now I'm passing huge clots. Is this normal? I thought iuds thinned the uterine lining

Normally: It takes a few months for an iud to lighten periods assuming you are using a Progesterone iud like mirena (levonorgestrel). You can always schedule a visit and have your doctor confirm the iud is in the correct location. ...Read more

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My uterine lining is 4.2 at day 12, my cycle normally about 30-31, is the lining grow too slow? Can the embryo implant if my lining is 4.2 at day 12?

My uterine lining is 4.2 at day 12, my cycle normally about 30-31, is the lining grow too slow? Can the embryo implant if my lining is 4.2 at day 12?

Usually not: The ideal uterine lining is 10-14 mm. 8 mm is really the minimum desired lining. I suppose it is possible to implant with a lining of 4.2, but I have never seen or heard of it. That is definitely abnormal and should be further evaluated. ...Read more

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Had a pap smear on day 10 of menstration. Pap came back normal but shows endometrial cells on uterine lining. What does this mean? Going for a biopsy.

Had a pap smear on day 10 of menstration. Pap came back normal but shows endometrial cells on uterine lining. What does this mean? Going for a biopsy.

Likely okay: Typically, unless a woman is having irregular bleeding, endometrial cells on a pap aren't worrisome at all. That's based on a new recommendation for pap smear management. If you have irregular or heavy bleeding, doctor will want to rule out pre-cancer as cause, hence, biopsy of uterine lining. No harm in biopsy. Your doctor knows you best, so be sure to ask him/her why they have concerns for biops. ...Read more

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What is the normal range of uterine lining mine is 23cm abnormal bleeding 3 months cysts both ovaries lower back pain.?

What is the normal range of uterine lining mine is 23cm abnormal bleeding 3 months cysts both ovaries lower back pain.?

16 mm: In a pre-menopausal woman an endometrial lining that exceeds 16 mm in sickness can be considered too thick in the sense that there may be pathology behind it. A dilatation and curettage (D&C) during which the tissue is removed from the uterus and sent to pathology for further evaluation is in order. ...Read more

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Hcg 1419 @ 18 days past conception. Uterine lining is "quite thick" per doctor, 5cm corpus luteum cyst. Possible small gestational sac seen. Normal?

Hcg 1419 @ 18 days past conception. Uterine lining is "quite thick" per doctor, 5cm corpus luteum cyst. Possible small gestational sac seen. Normal?

Yes: Everything you state sounds good. In addition, you actually want a nice thick lush endometrium to support the pregnancy. The corpus luteum provides the progesterone you need until the placenta takes over production around 12 weeks. ...Read more

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Is it normal to have a uterus lining discharge?

Is it normal to have a uterus lining discharge?

When a female: Menstruates, there is release of both tissue and blood from the lining of the uterus. ...Read more

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What is ideal uterus lining requirement to start Clomid (clomiphene) if other factors are considered normal?

What is ideal uterus lining requirement to start Clomid (clomiphene) if other factors are considered normal?

Thin: Before starting Clomid (clomiphene) your doctor should perform and ultrasound to look at both your ovaries and your uterine lining. The uterine lining should be thin, preferablly. ...Read more

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I am approx 3 to 4 weeks pregnant and my uterus lining is 17.4 mm thick is this normal?

Normal endometrium: Endometrium at time of implantation can range from 7mm to 14mm. After implantation, the endometrium respond to estrogen and progesterone for growth.
Thus your endometrium of 17.4mm 3-4weeks gestation can be normal.
For reassurance, you will need:
1. Get qualitative hcg and repeat after 2days for normal rise.
2. Get a follow up scan to confirm normal early fetal growth.
Good luck. ...Read more

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I am 34 and diagnosed with atrophic uterus lining. Blood panel/hormones are within normal range. No past surgeries. What could be causing this?

I am 34 and diagnosed with atrophic uterus lining. Blood panel/hormones are within normal range. No past surgeries. What could be causing this?

Diagnosis is unclear: If you still have regular menses, the lining of your normal uterus will appear thick or thin on ultrasound (not "atrophic") depending on the time at which your exam was done. An "atrophic uterus lining" is an unclear diagnosis which may not be applicable to you if your estrogen "hormones are normal" but to a postmenopausal woman or to an amenorrheic woman who has not menstruated for months. ...Read more

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An ultrasound of my uterus showed my uterus is large10.8x4.2x5.5 and endometrial lining was 9.0 mm and a simple cyst in my right ovary is this normal?

An ultrasound of my uterus showed my uterus is large10.8x4.2x5.5 and endometrial lining was 9.0 mm and a simple cyst in my right ovary is this normal?

Most likely: The of the uterus is influenced by many factors which include children. Fibroids also can enlarge the uterus. The 9 mm thickness is still within a normal range assume of course you still get your period and where you are in the cycle. Ovarian cysts are very common ...Read more

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I have pcos. I'm TTC. What is the normal size of the uterus lining. I had a period Aug 10 finished the 14th. Do I still have a chance of ovulation?

I have pcos. I'm TTC. What is the normal size of the uterus lining. I had a period Aug 10 finished the 14th. Do I still have a chance of ovulation?

Uterine lining: The thickness of the endometrium varies throughout the menstrual cycle. It is thickest a week after ovulation (week before menses), and thinnest after a period. It grows under the influence of hormones secreted by the ovary during the normal cycle. One always has the chance to ovulate with PCOS, and there is no way to predict whether you will in a given cycle. ...Read more

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What is the ideal thickness of the uterine lining for and IUI to be successful?

What is the ideal thickness of the uterine lining for and IUI to be successful?

Unknown: Certainly pregnancy rates are very low when the lining is less than 8 mm. Likely the ideal lining is between 10-14 mm. That probably varies between women. ...Read more

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Is it possible to have a thickness / liquid in the uterine lining other than cancer for a woman who is going though or has been through menopause?

Is it possible to have a thickness / liquid in the uterine lining other than cancer for a woman who is going though or has been through menopause?

Uterine lining: Yes! By far, an endometrial polyp would be the most common cause of those ultrasound findings. Infections can also cause the findings. If there is bleeding/spotting, then cancer is present about 20% of the time. ...Read more

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Does having light periods means my uterine lining is thin? Or can light periods be no problem of the thickness of the lining and can help conceive

Does having light periods means my uterine lining is thin? Or can light periods be no problem of the thickness of the lining and can help conceive

Need more info: I don't believe that having light periods are pathological not withstanding that your periods are regular and your routine blood tests, CBC, TSH, and maybe more are normal. Not knowing more about you I would suggest that you consult with a gynecologist to make sure all is normal. ...Read more

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Is 1.2cm uterine lining too big?

Usually: The endometrial thickness is considered normal when up to 8 or 10 mm thick. 1.2 cm would be 12mm and would represent some degree of endometrial hyperplasia. ...Read more

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What causes a thin uterine lining?

What causes a thin uterine lining?

Thin lining: At certain times of your cycle the lining is thin - immediately after your period. Estrogen thickens/ grows the uterine lining. A low amount of estrogen production will result in a thin lining. The most common thing that causes a thin lining in young women is hormonal contraceptives (pills, depo, mirena, (levonorgestrel) NuvaRing). Here, it is normal and not an indication of any problem. ...Read more

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What causes you to pass uterine lining?

What causes you to pass uterine lining?

Menstruation: During the monthly menstrual cycle, the uterine lining is typically shed/passed. ...Read more

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What is done when the uterine lining is 20mm?

What is done when the uterine lining is 20mm?

More info needed: While this is definitely greater than average it must be evaluated in the context of your particular situation. The timing of your last period, other symptoms, medications, and the appearance of the thickening are all important considerations. Management could range from continued observation to surgical procedures. ...Read more

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Could the uterine lining really build up overtime?

Could the uterine lining really build up overtime?

Yes: If estrogen is unopposed by progesterone, not ovulating, not on progestin medication, this can be a problem ...Read more

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How can I improve the uterine lining if this is too thin?

How can I improve the uterine lining if this is too thin?

Thanks for asking!: Uterine lining is dependent on adequate amounts of estrogen and progesterone. If your hormone secretion is normal and well balanced then the uterine lining should be normal. ...Read more

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I was wondering does the uterine lining really build up overtime?

Tissue layer: The inner lining of the uterus builds up under the influence of estrogens from the ovaries during the first half of the menstrual cycles, and under the influence of progesterone released from the ovary after ovulation transforms into a tissue layer suited to nurture a fertilized egg. If there is no pregnancy, this inner lining is shed during the menstrual period. ...Read more