Also, how accurate is the due date?
In: 801
Because the date of conception is not known. The date of your last period is known so we go by that.
You could go halfway through the menstrual cycle but that would also be a guess.
People here have mentioned that you can’t know when the baby was conceived if you have sex every day but that’s irrelevant. You could have sex only once and that still wouldn’t tell you when the baby was conceived.
Sperm cells can live inside the vagina for many days, up to 5 or so. They need to hang around until they touch the egg and fertilize it. Then the egg hangs around for a few more days before implanting in the uterus.
The moment of fertilization must be precise, it can’t happen too early or too late because then the egg won’t implant.
And sperm takes time to reach the proper place, so it takes several days from sex to the moment the egg is fertilized.
You can’t know when it happens exactly, it depends on the moment the egg is released and when it’s fertilized or when it implants.
It could happen with sperm that was ejaculated 2 days earlier or 5 days earlier. And the egg doesn’t implant immediately after fertilization. It takes actually another week before that happens. And if it doesn’t implant, there’s no pregnancy.
https://my.clevelandclinic.org/health/articles/11585-conception#:~:text=Within%2024%20hours%20of%20ovulation,cycle%2C%20you’re%20pregnant.
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