Congrats — your pregnancy is off and running. As you start out this month, your body is hard at work turning a fertilized egg into an embryo. But by the end of the month, you will be able to see what your body's been cooking up with a little peek into nature's oven. On week four, the gestational sac, where your baby will grow, shows up on ultrasound pictures, according to Parents magazine. This will be the first time you put eyes on your growing little one.

While your baby is experiencing rapid growth and development in this month, your body is starting to feel the effects. As the website for Planned Parenthood pointed out, "common discomforts like breast tenderness, fatigue, frequent urination, heartburn, nausea, and vomiting usually get worse." With any luck, you'll move on from these unpleasant pregnancy side effects soon, and can look forward to what's coming in the months ahead.

Welcome to the month when you're most likely to start showing. Around the end of the third month, chances are your baby bump has popped, as Fit Pregnancy magazine pointed out. Also, the odds are high that you will be experiencing cravings during this time, so don't be surprised if you can't seem to get enough avocados (or chocolate, or fried pickles) for two weeks in a row. Your first trimester is winding down and you're creeping closer to pregnancy's half-way mark.

Your baby is continuing to grow, and due to the size (about 3 ounces), that fetus heart is working away to pump blood. This means you'll have a really strong chance of hearing the baby's heartbeat , according to Very Well's website. This may be one of the visits you choose to share with your partner or loved one — it makes a nice memory to look back on together.

The fifth month has lots of good stuff in store. If you've been suffering from morning sickness, nausea, or vomiting, this is the month you've been waiting for. Typically by the fifth month, the worst of the pregnancy symptoms are over, as the website for What To Expect pointed out. This is also the month when you will be able to learn the gender of your baby via ultrasound, according to baby Center. At this point, you're showing more as you grow a nice belly apartment for your small inhabitant.

Although some women say they feel their baby kick sooner, month six is prime time to feel baby movement, as the American Pregnancy Association explained. This occurrence is called quickening and is a special feeling shared between mother and baby. As your baby flips around in your uterus, she is also growing hair and eyebrows, according to Baby Center.

You're getting closer and closer to your due date at this point, and chances are you're feeling more pregnant than ever. During this month, your baby will begin to respond to sound, as the website for the American Congress of Obstetricians and Gynecologist reported. This is a great time to start the brainwashing. I kid, I kid. But it is exciting to think that your little one can hear your voice and may react with a kick or a turn in acknowledgment.

Hello there, cramps. What are you doing here? According to Fit Pregnancy magazine, during the eighth month of pregnancy, Braxton Hicks (false labor) contractions are likely to occur. It's also possible for your breasts to start leaking just a little bit of milk. Your close to the end, but not quite there yet, which can be frustrating and exciting at the same time. Hang in there, mama, you're almost to the finish line.

Welcome to the beginning of the end of your pregnancy. Your bambino is close to full grow at this time, and you're midsection is probably feeling stretched to the max. Unfortunately, some of those pesky symptoms from early pregnancy may rear their head again, but with any luck you're baby will drop down toward the birth canal and bring you some relief, as Planned Parenthood explained. Your body is preparing for the big day as the anticipation of meeting your child builds, which is a thrilling part of the ninth month.