Doctor insights on:
Most Accurate Chinese Gender Predictor Chart
The odd is ~50/50 : There isn't a sure way to get pregnant with a boy or a girl based on day the week to have relation--there are some anecdotal report to suggest certain time of day favors girl vs boy pregnancy, but no conclusive research. The only sure way is to determine genetically is via insemination etc..Otherwise, your chance is just about 50/50 naturally--same as flipping a coin for head or tail. Good luck. ...Read more
is chart 2 find our most fertile date accurate?
BMI charts: BMI charts are very good for measuring body mass index - (BMI). The BMI range should be 20-25 but a bit higher might be OK. The most informative way is to get your weight without clothing on (at home of course). and get your height measured without shoes off. Of course your BMI will be lower if you have your height measured wearing high heels. Not a good idea! ...Read more
US dating: The earlier the ultrasound the better the dates. ...Read more
Height predictors: Yes they are accurate for the general population but not necessarily for a specific person. ...Read more
For maney yes, but..: The are remarkably inaccurate for some people, although a reasonable guideline. The best is body composition analysis, which can be done at many places (my office, health clubs, etc.). For example, i weight 193, am 71 inches tall, and i trend toward heavy. But waist is 34 and my body fat is 15%. Very good. I always do composition studies: the only weight of tracking diet and exercise. ...Read more
Early Ultrasounds: Early ultrasounds are thought to be the most accurate. ...Read more
Yes. Not a full test: The over-the-counter fertility test for men is called spermcheck and tests only sperm count (concentration): low or normal. Accuracy is ok. A full semen analysis (sa) through a fertility clinic looks at sperm count as well as motility (% that are moving) and morphology (% of normal-shaped sperm). Some clinics test sperm antibodies too. The home test is better than nothing but is not a full sa test. ...Read moreSee 1 more doctor answer
Depends on dates: The ultrasound (us) is the most accurate way we have of deciding how pregnant you are. There is a variation in us accuracy due to how we measure and who is measuring, but the accuracy is about 3-4 days before or after the measured size until about 10 weeks, plus or minus a week to about 14-15 weeks, then gradually changing up to a 3 week range in the last 2 months of pregnancy. ...Read more
Positive test: They are accurate to determine if you are pregnant or not but not very accurate to give you the date of conception. ...Read more
Earlier the better: The accuracy of ultrasound diminishes with the age of the fetus. The most accurate dating is in the first 4-6 weeks. ...Read more
What individual fetal measurement holds accuracy (represents true gestational age) longest in pregnancy (fl, ac, bpd, hc)?
Must use averages: I don't believe that any single measurement is most accurate throughout pregnancy. It is usually the averages that are taken. The most accurate measurements are actually in the first trimester in the way of the crown rump length in terms of predicting the estimated date of delivery. ...Read more
In terms of?: There are growth charts with reference norms to determine if growth rate is normal. The chart isn't the problem if there is concern about accuracy. Kids have to be measured with a stadiometer (shoes off) to get accurate height info. If it still doesn't seem right the stadiometer may need to be calibrated to make sure it's accurate. ...Read more
Pretty exact: If and only if down correctly - they are within +/-2-3 days. ...Read more
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