To calculate your conception date: Methods used to estimate conception date rely on trying to identify the day of ovulation.
The various methods are accurate to within one to five days.
This calculation assumes the following: If your cycles are longer or shorter than 28 days, this method is less accurate.
It is important to remember the lifespan of the egg and sperm can influence the date of conception.
This "LH surge" triggers ovulation and predicts it is likely to occur 24 to 36 hours later.Your most fertile time to conceive is within the day or two after a positive result.If you did an LH kit during your concepion cycle, take a look at your test results.By these facts: A conception date calculator can make it easier to figure out your date.The calculator below works for you if your menstrual cycles are regular and are between 24 and 38 days long.If you tracked these changes, the day before your mucus changed to a thick, tacky, cloudy, dried-up mucus was the day of ovulation, and your likely date of conception.