The blastocyst cells continue to divide, and start to separate into two groups: one to form the baby and one to form the placenta to nourish the baby. Most pregnancy tests will not detect pregnancy hormone until a few days *after* you would have started your next cycle (or a few days into week 5).

In the last week of that first month, your uterine lining gets thicker and thicker, and your cervix starts to seal with a plug of mucus. Your body is undergoing major hormonal changes while your baby is growing.

But let’s first talk about some of the terminologies your doctors, nurses, and technicians are going to throw around.

The date you are expected to deliver your baby is called your Estimated Date of Delivery (EDD).

The lucky sperm makes its way into the fallopian tube and burrows into the egg, fertilizing it.

Once fertilized, the egg changes its lining to prevent other sperm from entering the egg.

If you’re anything like me, you’re starting to read everything that’s ever been written about pregnancy and probably have a ton of questions. Getting back to the “now that I know I’m pregnant” thought…

Well, you either did a pregnancy test, you have morning sickness or you OB told you! Check out my Pregnancy Due Date Calculator We will get the answer a bit later…It continues to divide as it moves slowly from the fallopian tube into the uterus, where it is looking for a home.Below is a microscopic image of the egg roughly 24 hours after fertilization.So don’t be surprised if your baby is born before, or after, your EDD. Determining how far along you are in a pregnancy can get confusing. ) Below I will give you a simple description of baby development week by week. 40 weeks: This is how the process of conception is laid out. On the first day of your *last menstrual cycle* (LMP), your body cleaned out the blood it stored to feed and nourish a baby – this is your period.Remember, its just a range and it does not mean there is a problem if you haven’t delivered by your EDD. Pregnancies are split up into weeks, months and trimesters. By the earliest time you could pee on that stick and get your positive, your baby (or babies! Once you stop bleeding, your body starts the cycle again.This method was developed in the 1830’s and is still used today by most Obstetricians.