Choosing the best pregnancy test
Pregnancy is a crucial aspect in a woman's life. She has the right to decide whether she wishes to go ahead with it or let go of the unwanted pregnancy. There are various myths associated with pregnancy tests. A review published after much research in the year 1998, reveals that the best pregnancy test kits offer reliable results up to 97.4%. These kits are widely used by medical practitioners and technicians as well. The research also showed that the accuracy percentage fell to 75% when individual consumers performed the test. The main reason cited for this was failure to follow the instructions mentioned in the pregnancy test kit. Improperly handling of the kit can yield both inaccurate positives and negatives.
Timing plays an important role in bringing out accurate results. One should also bear in mind that the best pregnancy test kits are similar to quantitative blood tests carried out in the laboratories. They employ sensitive urine tests that are able to detect presence of hCG immediately after implantation, which may occur anytime within 6 to 12 days post ovulation. False negative results usually result when test are carried out in early stage of pregnancy. As the test depends on presence of the hCG hormone in the urine or blood, it is essential to carry out the test 3 to 4 days after the implantation. A menstrual cycle takes place on an average of 14 days after ovulation. Thus to obtain accurate results it is imperative to perform the best pregnancy test at late menstrual period.
As far as ovulation is considered, women should also remember that it might occur early or late even if you have had a history or regular periods. It is advisable that women carry out the best pregnancy test by charting gradual changes in fertility signs such as basal body temperature or cervical mucus. The result shown at this point of time will be much accurate than the test carried out as per the calculation of number of days. Accuracy of the pregnancy test is closely associated to occurrence of ovulation. Here is one useful tip carry out the test after 3 weeks from the day of the intercourse.
Just as the errors associated with false negatives; there are some factors, which could give false positives. These factors are - errors associated with test application, intake of drugs containing assay molecule or abnormal production of assay molecule in the body. Positive results may also show up if the kit happens be beyond the expiration date. Urine samples of women undergoing some form of infertility treatment may also give positive results if they taking medications containing hCG hormone.
Beside above-mentioned factors, if a woman suffers from any of the ailments such as liver disorder or cancer, best pregnancy test give out false positive outcome even if she does not happen to be pregnant.
Thus managing the changes associated with fertility signs and following the instructions and medical condition of the concerned woman are some criteria, which a woman must consider before taking a home best pregnancy test. This will save her time and effort both and detail her if she is pregnant or not.