First Tri

What to Expect in the First Trimester

You’ve gotten the positive home pregnancy test result, gone to the doctor, and it’s confirmed. You’re going to have a baby! During the 40-week period, there are changes going on in your body and your baby daily.
The first trimester is 0-14 weeks of pregnancy. How will you know how many weeks along you are? Your doctor will be able to tell you that number, at least approximately, based on when you had your last period. You’ll get a better idea when you have your first ultrasound.
You probably won’t look pregnant during the first trimester. The fetus is very tiny, and your uterus will not grow that much in size. However, a lot is happening inside. Your hormone levels are changing dramatically. You can thank them for your tiredness and mood swings!
Your uterus will grow to support the growth of the placenta and the fetus, your heart rate increases, and your blood supply goes up. You’ll most likely feel tired, and may have headaches, constipation and morning sickness, which contrary to the name, can come at any time of day or last all day.
It is important to eat healthy at all points during your pregnancy, but at this time nutrients are especially important because the fetus develops almost all of its organs by the end of this trimester. Make sure you get enough folic acid, which will be one of the elements in the prenatal vitamins your doctor will prescribe. This would also be the time to quit any bad habits you may have, like smoking or drinking, as both can harm your baby.
Unfortunately, this is also the time when most miscarriages occur. Expectant mothers will often wait until the end of the thirteenth week to spread the news of the pregnancy to friends and family. Once the pregnancy is past the thirteenth week, chances of a miscarriage decrease significantly.
Your will likely see your doctor once a month during this trimester. The doctor will review your medical history and perform a thorough physical exam including tests like a Pap smear, urinalysis, and blood work to determine your blood type and Rh status, blood counts, and immunization status.
You will most likely get your first ultrasound during this trimester. You’ll get to see the baby’s heartbeat, more accurately date your pregnancy, and make sure that everything is going according to schedule.
Make your appointment at Women First Health Center in West Orange for the top obstetrical care in NJ. Call 973-669-5711 to schedule and confirm your pregnancy!

Office Location

West Orange, NJ 973-322-6375


  • My Husband and I absolutely love The practice and all the doctors. From our first appointment when we found out we were having twins to the delivery and finally to our after care. Everyone in the practice was so kind and trustworthy that it made the whole experience that much better. Dr. Sansobrino made me feel less nervous and more confident throughout the entire process!!!

    Nicole Poulsen
  • I’m a worried individual by nature. When I became pregnant every little thing bothered me. All of the Doctors made me feel comfortable. Dr Sansobrino in particular, knew about my anxiety and he never made me feel embarrassed or silly for my questions. I had an amazing pregnancy experience thanks to the doctors, nurses and staff at Women’s First . My daughter was delivered by Dr. Youngren. She talked me through the process and eased my fears. I would and I do, highly recommend WFH to all my f…

    Jenna Sier

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