We provide confidential, no-cost services by licensed medical professionals, including ultrasounds, to help you know how far along your pregnancy is and when you conceived. We take one step at a time with you and answer all of your questions without bias or judgment. Use our online Pregnancy Calculator to estimate your due date. Conception: How It Works. Previous Next. View Larger Image. What Is Conception? That moment of fertilization is your conception date.
Gestational Age vs. When Did I Conceive? But, there are four ways that you can estimate a window of time, which can be helpful: Using your ovulation date Using dates of sexual intercourse Using the first day of of your last menstrual period LMP By ultrasound When did I conceive based on ovulation date?
When did I conceive based on the dates of sexual intercourse? When did I conceive based on my last menstrual period LMP?
The gold standard of measuring when you conceived is by ultrasound. Are you pregnant but not sure exactly when you conceived? An ultrasound is the most accurate way to determine how far along your pregnancy is. Ultrasound exams provide images and include various measurements of your developing baby that can help estimate how many weeks pregnant you are and your approximate conception date.
If you are making a pregnancy decision and want to learn more about your pregnancy and your options, call to see if you qualify for a free ultrasound. In general, there are a few ways to determine your conception date.
The first way to find out your conception date is to determine when you were last ovulating. In general, women can only conceive when they are ovulating — that is, when their ovaries release a new egg into their fallopian tubes for fertilization.
That means you can use your ovulation dates to try to determine when you became pregnant. Ovulation usually occurs about two weeks after your menstrual period and lasts for two or three days. If you were having regular periods before pregnancy, your doctor will calculate your due date based off of your last menstrual period. This goes back to the fact that in order to get pregnant, your body ovulated—or released an egg—roughly in the middle of your cycle and it was fertilized by sperm.
That was the moment of conception. Is an ultrasound a more accurate way of finding out my due date? If you are having irregular cycles before getting pregnant, an ultrasound is usually done to find out how far along you are. An ultrasound is actually the most accurate way to date a pregnancy because all fetuses grow at a consistent rate during the first trimester and early second.
Your doctor will go with the due date obtained from your ultrasound. What happens if my baby is measuring big or small later on? Does my due date need to change or will I deliver early?
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