Im so confused with all this week counting honestly. My last period date is there but i dont get how they decide week one. Can someone explain how it actually works?
Simple, doctors count from the first day of your last menstrual period. That is why you are technically two weeks pregnant before conception even happens. The dating scan fine tunes it later.
I just put my last period date in a pregnancy app and it calculated the weeks automatically. But the real confirmation came from the first ultrasound. The app and doctor matched almost exactly for me.
My gynac explained that they count from the first day of your last period, not from conception. So week one actually starts from your last period date. It sounds confusing but the early scan confirmed my dates properly.
The standard way is counting from the last menstrual period. But your early scan gives the most accurate dating, so trust that over any app. Let your doctor finalise the weeks for you.
Wait so the counting starts from last period and not from the day we conceived? That actually clears my confusion, I kept getting different numbers. Thanks for asking this.
Don't stress over the math yaar. Just note your last period date and your doctor will sort out the weeks at the first scan. It always feels confusing at the start for everyone.
