Accurate dating scans conception date

Accurate dating scans conception date

Take your most usual menstrual

Also, you had a condom as protection, took Plan B, and then were on probable birth control too - so chances of conception are nil. Thank you very much for the detailed reply. If you don't have intercourse until the day after ovulation, you may catch and fertilize a still viable egg. This is most likely the day you conceived.

Take your most usual menstrual cycle length which counts from day one of a previous period to day one of the next. Cervical Mucus Changes Keeping track of cervical mucus changes within a menstrual cycle can help narrow down the day of ovulation. That one to two day window after your surge is the likely time you conceived. The temperature shift occurs because of an increase in progesterone production after ovulation.

Cervical Mucus Changes Keeping track of

Sperm retains its best ability to fertilize an egg for an average of three days in the tract after ejaculation, although it can survive up to five to seven days. If your cycle lengths vary a lot, your results might not be accurate. It is important to note doctors don't use the date of conception to date a pregnancy. The various methods are accurate to within one to five days. The day of ovulation, your mucus would have been at its most thin and watery, as well as clear and stretchy like egg white.

Your most fertile time to conceive is within the day or two after a positive result. Do not stress out, as you can already understand.

Your consultation is already complete. The calculator will display the date you likely ovulated and conceived.

Ovulation Pain If you were charting increased pain at mid-cycle, the day of the worse pain on one side of your pelvis is the likely day your egg ovulated. My previous period was Jan and was on cycle with my birth control. Enter the month, day, and year of the first day of your last period in the next boxes.