The largest cause of damaging result is the miscalculating periods. The average menstrual cycle is about 28 days, but numerous girls have variation of ovulation so the days right after missed periods might vary from other.

It has two phases follicular phase and luteal phase. Luteal phase is the starting of ovulation. Follicular phase has the hormone LH and FSH, but right after ovulation progesterone and estrogen increases. From luteal phase, ovulation onwards are 13 days, so it shows 28 days following periods. When egg starts ovulate and requires a week to pass through fallopian tube and reached the uterus. Then implantation happens and physique starts producing hormone.

Just after some days it may well give good and negative result which result in confusion but soon after some far more days it shows clearly constructive result.

Pregnancy test and implantation:-

The outcome is not constructive until implantation happens. Implantation increases HCG hormone in the blood and urine and gives constructive outcome. Implantation occur following 12days following ovulation. Slight bleeding also happens throughout implantation.

Yet another cause for not to test good:-

The urine sample to test is dilute if anyone drinks substantial amount of water it also lowers the quantity of hormone so obtaining less HCG hormone in urine and blood may perhaps show negative result. It is better to have test with 1st morning urine, simply because the hormone secreted the whole night can have considerable higher amount in urine. It might give good outcome by this system.

Expired test might also give false result of pregnancy. Improper testing and ectopic pregnancy is an additional purpose for false detection of pregnancy. If the test is negative it is because the testing is as well early, so retest once more following handful of days. To get the most correct result check pregnancy immediately after a week of missed periods. Missed periods also happens due to other reasons like strain, excessive exercise, thyroid difficulty and many other.

Test sensitivity pretty low:-

The testing strips are of several kinds. There are mid stream test and digital tests. They have distinctive sensitivity towards HCG hormone. Some have extremely low sensitivity so it may possibly be feasible that the strip is not detecting pregnancy. Some strips give instant outcome by reacting with HCG and speedily create colour modify on test window. These are extra favorable so testing should be done by different strips to get assured. Blood test also give the accurate outcome so it can be checked by blood test. If missed que thử rụng trứng điện tử eveline care and checking is adverse even just after handful of days just after missed periods than seek the advice of with medical doctor. Ultrasounding strategy will support you to confirm the outcome about the pregnancy.