Doctor insights on:
Normal Range Of Rbs During Pregnancy
Amniotic fluid level: In general, we accept an ultrasound measure divided in the four quadrants of your uterine cavity of anywhere from 5-25cm to be a normal range. Lower than 8cm and we usually do further testing or repeat assessment of the fluid levels. The level may be low or high for a number of reasons that your OB doctor can usually detect. ...Read more
When your due date arrives, you will be more than ready to have your baby! Most women deliver the baby somewhere between 37 and 42 weeks. According to the American College of Obstetricians and Gynecologists, only 5% of babies arrive on the exact due date. Approximately 7% of babies are not delivered by 42 weeks, and when that happens, it is referred to ...Read more
Not always: Tsh and hcg, the pregnancy hormone, have very similar structures, and some biologic cross-reactivity. The high levels of HCG in pregnancy can provide enough stimulation to the thyroid to cause the thyroid to be just a little overactive and TSH to drop into the slightly low range. This is common and does not usually need treatment. A high tsh, should be treated in almost almost pregnant patients. ...Read more
Not relevant: When we are checking blood counts during pregnancy, assuming that the basic counts related to hemoglobin, hematocrit and platelets are normal for pregnancy, then we really do not spend too much time looking at these individual parameters related to red blood cells. If there is a more specific problem being asked, please ask! ...Read more
Could having excess amniotic fluid at 33-35 weeks cause pre- term labour? (levels were 22cm and considered "normal, but at higher range").
Yes: Excess fluid causes distension or additional "stretching " of uterine muscle and may make it more irritable and contract more. 22 cm is not terribly high but still could cause an increase in contractions. You need to be checked to see if this is causing true preterm labor with cervical change or just preterm contractions. ...Read more
Is it normal to have a normal period during only 1-2 weeks of pregnancy. (clotting, normal bleeding, and the usual length of 7 days)?
No: You are at risk of miscarriage if you haven't already. You should see your doctor. ...Read more
ESR < 20: The erythrocyte sedimentation rate is a non specific measure of stress factors in the blood. A thin tube of red cells is stood upright and the distance in millimeters the cells settle in 1 hour gives the number.For adult females the ESR is generally up to 20mm/hr.Higher numbers suggest more "acute phase reactants" are in the blood indicating infection or inflammation.It is a very non-specific test. ...Read more
Depends: On the assay. Most lower limits in 3d generation assays are around 0.3 to 0.5. There is a debate about the upper limit. The range used by commercial labs of 4.5 or 5.5 is not correct. Most thyroidologists will choose about 3. ...Read more
Varies: Nonpregnant adult 115-211u/l first trimester 78-433 u/l second trimester 80 - 447u/l third trimester 82 - 524 u/l. ...Read more
>5000: 3 weeks LMP: 5 – 50 mIU/ml 4 weeks LMP: 5 – 426 mIU/ml 5 weeks LMP: 18 – 7,340 mIU/ml 6 weeks LMP: 1,080 – 56,500 mIU/ml 7 – 8 weeks LMP: 7, 650 – 229,000 mIU/ml 9 – 12 weeks LMP: 25,700 – 288,000 mIU/ml 13 – 16 weeks LMP: 13,300 – 254,000 mIU/ml 17 – 24 weeks LMP: 4,060 – 165,400 mIU/ml 25 – 40 weeks LMP: 3,640 – 117,000 mIU/ml ...Read more
12-15 g/dl: It is somewhat dependent upon the lab that does the testing, but in general a normal hemoglobin for a female is 12-15 grams per deciliter. ...Read more
Im courious what heart rate variation in percentage could be considered as normal during a 4 minutes measurement at rest?
Depends: It does depend a bit on age, but in general there is data that suggest at rest there is less than a 10 beat per min variation at rest, which approximates out to around 12%. Again this varies on age, medications being taken and underlying disease that one might be afflicted with. Hope this helps. ...Read more
Elevated ALT (98) one year after cholecystectomy. Also in early pregnancy (8 weeks). Is this normal?
Does normal blood sugar vary by age? What are the normal fasting and normal after-eating blood sugar ranges?
Highly variable: If you are pregnant at 4 weeks then we really only look at a positive or a negative result. The quantitative number is not particularly useful as it can vary so widely from person to person ...Read more
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