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Doctor insights on: Accurate Fertility Calculator

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Had sex on the 4th and my fertile days start till 6-11 acording to the fertility calculator. A condom was used is there any risk of pregnancy?

Had sex on the 4th and my fertile days start till 6-11 acording to the fertility calculator. A condom was used is there any risk of pregnancy?

Very unlikely: While it is technically possible to get pregnant on any day of the menstrual cycle, this is true because a person doesn't know when she ovulated. If your periods are regular, your fertility calculator should be quite accurate. Since you had sex, with contraception, outside of this time window your risk of pregnancy is very low, probably not more than 1%. ...Read more

Dr. Khurram Rehman
1,614 doctors shared insights

Fertility (Definition)

Fertility refers to the ability of a woman to conceive a child, or to the ability of a man to ...Read more


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Based on my fertility calculator, last week was my fertile week and I had sex twice. 3 days after sex, I'm feeling cramps in my lower abdomen. Why?

Based on my fertility calculator,  last week was my fertile week and I had sex twice. 3 days after sex, I'm feeling cramps in my lower abdomen. Why?

Implantation: Sex in and of itself can cause some cramping, but hopefully in this case you are experiencing implantation. Implantation of a new pregnancy can cause cramping and/or spotting. Might be a good idea to start checking a pregnancy test around the time of your expected period. ...Read more

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Are online BMI calculators accurate?

Are online BMI calculators accurate?

Yes, but...: The calculator will give you an accurate bmi, but how well that measures your fitness/health is unclear. I've had finely tuned athletes show up as obese according to bmi. If you're concerned about it just check with your doctor. ...Read more

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Are height calculators really "accurate"?

Are height calculators really "accurate"?

Scales and: rulers are really accurate. Direct measurement with visual confirmation is really accurate. ...Read more

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Are home fertility tests like 1st response accurate with telling your fertility? Also are the results something that should be rechecked monthly?

Are home fertility tests like 1st response accurate with telling your fertility? Also are the results something that should be rechecked monthly?

Mixed Answer: Lh predictor kits measure the lh surge, not ovulation per se. If you have a good lh surge, your chance of ovulation is about 95%. There are problems though. Faint positives represent less robust surges, often seen with Clomid (clomiphene) and are not very useful in this case. Remember ovulation comes ~ 24 hours after the peak of the surge. These kits cause stress. Sex ev other day, days 10 - 17 covers it. ...Read more

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How accurate are due date reverse ovulation calculators?

How accurate are due date reverse ovulation calculators?

Varies: Depends how accurate your due date estimates are. If you have a super-reliable dating then the reverse calculation is "pretty good," like within 3-4 days. If your EDD is +/- 2 weeks as it often is, then the reverse calculation will be not useful. Good wishes. ...Read more

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Are accurate male fertility tests available over the counter?

Are accurate male fertility tests available over the counter?

None I know of: The only real fertility test for men is a semen analysis which is a detailed look at the sperm and other cells in semen. It grades the sperm quality based on number, activity and shape. If the semen analysis is normal, there is no further testing necessary. When it is abnormal, a physical exam and some hormone tests are the next step. ...Read more

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How accurate are these Framingham cardiac risk calculators for 35 old males?

How accurate are these Framingham cardiac risk calculators for 35 old males?

Not great.: The risk factors analyzed statistically aren't explaining the outcomes. BUT 1) we know it's age related and 35 is low risk. 2) prior personal history explains things better than risk models (if previous personal heart disease risk zooms up). 3) http://www.cvriskcalculator.com/ ...Read more

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Are online BMI calculators accurate or is one website more accurate than others?

Are online BMI calculators accurate or is one website more accurate than others?

All should be OK: If you enter your correct height and weight into any bmi calculator, the results should be correct. The exact meaning of a particular bmi might be open to interpretation as someone who is very muscular and has only 4% body fat might have a higher bmi than a couch potato who has love handles. For most of us, the bmi is a good indicator of appropriate weight versus overweight. ...Read more

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Are the success rate claimed by fertility clinic accurate ? Are they regulated by the government

Are the success rate claimed by fertility clinic accurate ? Are they regulated by the government

Yes.: Fertility clinics are regulated by the government and their data reviewed and confirmed to assure accuracy. ...Read more

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Is the OTC male fertility test accurate?

Is the OTC male fertility test accurate?

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 more

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How reliable/accurate are OTC digital ovulation tests and monitors such as the clearblue fertility monitor?

How reliable/accurate are OTC digital ovulation tests and monitors such as the clearblue fertility monitor?

OPK: They reliably detect urine lh, but less good for predicting ovulation. Since lh is nature's trigger for ovulation once a follicle is mature, we assume ovulation follows in the next days. This is true in textbook cycles, but is variable in real life. Ironically, they work best with clockwork cycles, and less well for women who are less predictable. ...Read more

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How acurate are the home fertility kits for males, with the blue dye and color chart?my partner did one and came negative, we are worried,what to do?

How acurate are the home fertility kits for males, with the blue dye and color chart?my partner did one and came negative, we are worried,what to do?

Male fertility kits: The kit only tells if the sperm count is 20 million or more. If the result is negative, a complete infertility work up should be done. ...Read more

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Are over-the-counter male fertility test accurate?

Are over-the-counter male fertility test accurate?

It depends: The otc tests are a decent screening test for fertility problems, but predicting pregnancy rates off a test result is not yet possible. If you suspect there is a fertility problem, get an expert's advice. ...Read more

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Are conception date calculators accurate if your 7 weeks and 8weeks ultra sounds due date are the same. I'm due April 26th 2015?

Are conception date calculators accurate if your 7 weeks and 8weeks ultra sounds due date are the same. I'm due April 26th 2015?

Yes, but...: An 8-week ultrasound scan gives an accurate estimate of the dates. All dates are estimates, so even an "accurate" estimate is an estimate. If general, there is no need to look for an exact date of conception, because life is never exact, and women are having sex with only one husband or future-father-of-the-baby at a time. So, the date estimate from the ultrasound scan is accurate enough. ...Read more

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How accurate are clearblue digital pregnancy test with conception calculator?

How accurate are clearblue digital pregnancy test with conception calculator?

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