- Third month pregnancy symptoms and physical changes
- Baby development in the third month
- How big is your belly in the third month?
- How big is your baby in the third month?
- Third month OB/GYN visit.
- Can an ultrasound detect the gender?
- Is neural tube defect detectable?
- 11 Tips for a healthy third month pregnancy
- Exercises for third month pregnancy
- Tips for dad-to-be
The third month refers to 9-12 weeks of pregnancy. It marks the end of your first trimester – ah what an achievement! But there is still a long distance to cover. And for that journey to be smooth, you need to begin your pre-natal check-ups in the third month, and continue with all the pregnancy care that you have been taking.
What are the symptoms and physical changes in the third month of pregnancy?
You might notice the following pregnancy symptoms and changes in your body during the third month.
- Morning sickness: By the third month of pregnancy your nausea and vomiting could peak, but by the end of the month, it comes down. Most pregnant women come out of nausea by the end of the first trimester (1).
[ Read: Morning Sickness During Pregnancy ]
- Fatigue: During pregnancy, the change in the hormonal levels makes you feel sleepy and tired. Since the body requires extra blood to supply the essential nutrients to the fetus, it affects the blood pressure and blood sugar levels making you feel fatigued.
- Frequent urination: You have an urge to urinate more often than before as your body produces the pregnancy hormone hCG. An increase in the blood volume puts pressure on your kidneys. Also, the growing uterus puts pressure on the bladder, thus increasing your urge to pee more often (2).
- Constipation: Increase in the levels of progesterone hormone could slow down the digestion process. Improper diet can also be a reason for constipation.
- Vaginal discharge: You might notice a slight increase in the vaginal discharge due to high estrogen levels (3), and as a result of the dilation of the cervix and the vaginal walls. The off-white, mucus discharge from the vagina helps prevent any infections from passing through the vagina into the uterus. Avoid douching to clean the area as it may cause irritation and infections.
- Leg cramps: You might have severe leg cramps and pain in the night. An insufficient supply of potassium and iron may be the reason for the cramps during pregnancy. However, gentle exercises involving your legs and ankles can help avoid cramps.
- Backache and abdominal pain: Change in the hormonal levels also gives you a back pain (4). Moreover, the growing uterus stretches your ligaments and tendons, making you feel the pain in the lower abdomen. Some low-impact exercises and stretching will help ease the pain. However, consult a doctor before beginning on any exercises during pregnancy.
- Mood swings: You may experience mood swings due to the hormonal changes occurring inside your body during the third trimester. Some women might turn calm and peaceful while it could be an emotional rollercoaster ride for some others.
[ Read: Mood Swings During Pregnancy ]
- Bleeding gums: Change in the hormonal levels can lead to inflammation and bleeding of gums. Good oral hygiene is a must during pregnancy; therefore, get a regular dental check-up done.
- Heartburn: As your body expands with the growing baby, it slows down the movement of food along the digestive system. Your growing uterus starts putting pressure on the stomach, pushing the stomach acids upward and causing heartburn. Take smaller meals at regular intervals.
- Varicose veins: As the uterus grows, it compresses blood vessels, slowing down the circulation and swelling of the veins in your legs. Also, extra weight gain could increase the load on the circulatory system, leading to varicose veins.
- Congestion: The increased blood volume can lead to dryness of the nasal lines. This causes swelling and inflammation of the nasal lines causing a stuffy nose.
- Distaste or craving for food: To develop a craving or to dislike the taste or smell of certain foods is quite common to experience during this period.
[ Read: Food Cravings During Pregnancy ]
You need not have to worry about the above issues if they are mild because minor health problems are as common as physical changes that happen during this time.
Physical changes by the end of the first trimester:
While the body does undergo a lot of changes, the first change would be your belly size. So, that brings us to the question…
How big is your belly in the third month?
By the third month of pregnancy, your uterus is about the size of a grapefruit. It is lifted up into the abdomen area and covers the whole pelvic area (5).
Besides the belly, there are other physical changes as mentioned below.
- Breasts become tender: Your breasts might become tender and heavy as your body prepares for breastfeeding. Moreover, the breast size increases and the areola becomes darker and larger.
- Veins are visible: As the blood volume increases in your body and your heart pumps faster, they make the veins more prominent on your breasts (6).
- You gain weight: By the third month, there will gain some weight. However, it varies from one woman to another based on their BMI.
- Stretch marks are visible: Tiny tears in the supporting layers of the tissue under your skin form stretch marks on your belly and breasts.
- Dry and itchy skin: It is another mischief by the pregnancy hormones and can be treated by using glycerin-based soaps, or moisturizing lotions.
- Distinct dark line on the abdomen: You might notice a dark line developing down the middle of your abdomen to your pubic bone. This is the result of melanocyte-stimulating hormone produced by the placenta. This hormone also causes darkened nipples.
All these changes occur in your body. But inside the womb, there is a little life growing month by month.
[ Read: Body Changes During Pregnancy ]
Baby’s Development In The Third Month Of Pregnancy:
You can feel and experience the changes happening to your body but it is too early to feel the baby’s movement in the third month. In the absence of any signals from your baby, you might be curious to know what is happening inside. Here, we help you imagine about you baby.
How Big Is Your Baby In The Third Month?
By the third month, your baby is the size of a ripe plum or lime.
At the end of the third month, your baby is about 3.5 inches long and weighs around 1.5 ounces (7). Let’s now see how the various parts are developing in this month.
By this time, the embryo gets settled inside the uterus and the organs start developing:
|Body parts||Developmental stage|
|Head||looks larger than the body as the brain is developing (8)|
|Skin||The veins are visible through the transparent skin. Also, your baby’s fingerprints are formed (9)|
|Eyelids||are formed and cover the eyes, offering them complete protection|
|Mouth||tongue and the larynx are developing; the upper lip is being formed and the jaws are in place|
|Thumb||the baby starts sucking its thumb and gets hiccups|
|Heart||develops during this time and the heartbeats can be heard electronically|
|Musculoskeletal system||the muscles and bones of your baby get organized|
|Movements||Your baby starts kicking, stretching, twisting, and turning by this time. You may not feel the movement because the uterus still lies over the pelvis|
|Bone marrow||starts producing its own white blood cells, which helps it stay healthy|
|Intestine||starts contracting and relaxing, which is a practice for healthy digestion|
|Pancreas.||the pancreas starts functioning and secretes insulin|
|Kidneys||are developed by now and start excreting urine into the bladder|
|Other parts||fingers and toes are clearly distinct with fingernails and toenails. Ears and nose are visible. The nipples and hair follicles begin to form while the neck is taking shape|
If you are carrying twins, the development of the twin fetuses will be the same as above.
Third month is also the time when your regular doctor-visits begin.
What To Expect During Your Ob/Gyn Visit?
Your doctor will take details of your health history and that of your parents’. They will ask you about any conditions that you must have suffered in the past. Also:
- Your weight and blood pressure are checked.
- The doctor will measure the size of the abdomen to estimate the size and the fundal height of the uterus.
- You can hear the baby’s heartbeat clearly.
- A urine test to estimate sugar and protein level and to check for infections.
- A blood sample is collected to detect your blood type and Rh factor, and to check for anemia.
- Fluid retention test, if you have swellings on arms and legs.
- First-trimester screening tests are carried out to determine any risks to the fetus:
- Nuchal translucency (NT) ultrasound test is done to examine the thickness of the fluid in the area at the back of the fetal neck. Also known as the ‘12-week scan’ (10), the test assesses any risk of abnormality in the fetus. If the thickness of the fluid is more than normal, it could indicate chromosomal conditions such as Down syndrome and trisomy 18.
- Maternal serum (blood) tests are two tests used to determine two substances in the blood — pregnancy-associated plasma protein screening (PAPP-A) and human chorionic gonadotropin (hCG).
- PAPP-A determines the abnormal levels of a protein produced by the placenta in early pregnancy, to assess the risk of chromosomal abnormalities.
[ Read: HCG Levels During Pregnancy ]
- HCG levels also indicate chromosomal abnormalities.
- Chorionic villus sampling (CVS) is another test carried out in the 11th week of pregnancy to check for Down syndrome or any other chromosomal abnormalities. During the procedure, a small tissue sample is collected from the placenta for analysis.
While these are the tests done by collecting urine, blood or placental samples, the ultrasound is done to have a look at the fetus – your first glimpse of your baby.
Ultrasound During The Third Month
Can ultrasound detect the gender?
It is difficult for the sonographer to identify the gender of your baby at this point because the reproductive system is still developing. Results are less accurate for the scans done before 12 weeks, and the success rate is as low as 54%. According to a study done on the accuracy of the sonographic fetal gender determination, the overall success rate in the first trimester (11–14 weeks) was 75% (11).
Is it possible to detect neural tube defect during the third month?
It is possible to detect spina bifida through an ultrasound during the 11th-13th week of the gestational period. Spina bifida or neural tube defect (NTD) is a congenital malformation where the neural tube around the spine fails to close due to genetic and environmental factors. NTD can be detected during the first trimester but it is more accurate in the second trimester (12).
Tests and ultrasound scans are done to detect any health risks for you and the baby. A healthy mother gives birth to a healthy baby. Therefore, it is needless to say that you need to take care of your health during the nine months leading to the birth of your baby.
11 To-Do Tips For A Healthy Third-Month Pregnancy
With the morning sickness gone, this is a good time to focus on healthy eating and being fit. Here is the to-do list for the third month:
- Eat well: Your craving increases for some foods. Relish on a healthy and balanced diet, which includes fruits and vegetables, eggs, pulses, nuts, meat, milk, whole grain varieties, yogurt, etc. Your diet must be enriched with all the essential nutrients such as vitamins, omega-3 fatty acids, calcium, and fiber.
- Take rest: You will start feeling fatigued; therefore, take rest as much as you can. Avoid sleeping on your back and sleep on your left. You might want to use specially designed maternity pillows to sleep comfortably.
- Take supplements: Take folic acid supplements during the third month as they are important to avoid any birth defects in the baby. If your doctor has prescribed any other vitamin supplements, you need to take them too.
- Maintain hygiene: Ensure hygiene around you and in all that you eat and use. Be careful about the foods that pose the risk of bacterial infections. Wash the fruits and vegetables thoroughly to remove any dirt. Wear gloves while gardening and cleaning pet litter. Also, make sure to keep the vaginal area clean and dry all the times.
- Dental check-up: Get a regular dental check-up as you are prone to gum bleeding due hormonal changes during this period. Use a soft toothbrush for brushing your teeth.
- Childbirth education: Enroll in childbirth education classes during this time. It will help you to cope with stress, anxiety, and mood swings.
- Communicate: This is crucial during pregnancy. You need to communicate with your partner and family if you are going through stress. Also, speak to your doctor about any emotional upheavals, lack of sleep, fears and anxieties, the feeling of loneliness, and the like.
- Quit smoking and drinking: Avoid nicotine and alcohol during the third month of pregnancy as they can reach your baby through the bloodstream. Moreover, they can lead to a miscarriage.
- Cut down on caffeine intake: Too much caffeine increases the risk of miscarriages and low-birth weight.
- Be active: Indulge in activities that de-stress you. Start looking for baby names. Take your pictures showing your bump and create an album or a short animation movie for a lifetime memory.
- Exercise: Engage yourself in low-density exercises like walking and swimming. It helps you stay healthy and cope with the physical changes. However, check with your doctor before beginning any exercise. Avoid any sports that carry a risk of falls and stress on joints.
Before you begin exercising, it is important to know about the workouts that are safe for you during this phase.
[ Read: Tips To Follow During Pregnancy ]
Exercises you can do in the third month
Here are a few exercises you can do to stay fit during the third month.
Note: Wear breathable clothes and supportive bras while exercising.
- If you are having fatigue and morning sickness, then a morning walk is the best and refreshing exercise for you. It helps uplift your mood and increases the blood flow in the body.
- Swimming (13) stretches and tones your muscles and increases blood circulation.
- Pilate exercise builds strength and helps increase flexibility during pregnancy.
- Low-impact aerobics strengthen the heart, tone the muscles, and provides you relief from body aches.
- You can perform certain yoga asanas that are safe for you and your baby. Attend professional yoga classes rather than doing at home without any guidance.
If you follow the right diet and exercises, the third month gets completed smoothly, paving the way for a disciplined routine throughout your pregnancy.
However, along with the things to do, there are some things that you should not do during the third month.
[ Read: Exercises During Pregnancy ]
Don’ts During Third-Month Pregnancy
If you are doing any of these activities, then stop doing them now:
- Avoid lifting heavy objects and indulging in stressful activities that can put pressure on the womb.
- Avoid oily and spicy foods as they can trigger nausea, gas, and indigestion.
- Avoid wearing tight clothes as they cause discomfort because of the growing bump.
- Make sure to wear comfortable footwear. Go for flats.
- Quit drugs as it can severely affect your baby’s development.
Tips For Dad-To-Be
Pregnancy is the responsibility of the dad-to-be as well. Take care of your wife during this time and you will be glad you did that. Here are some tips for a dad-to-be:
- Your partner must be feeling weak. Help her with household tasks during this time.
- She might cut down her social interactions to take care of herself; therefore, you can support her by being around and indulging in some pregnancy planning.
- She might experience mood swings due to hormonal changes. Make her feel good by being positive, and supportive.
- You will want to feel your baby’s movement. Though it is too early for that, you could make your baby familiar with your voice.
- Plan a babymoon vacation and enjoy this special time with your partner.
The third month is a crucial time in your pregnancy. The end of the first trimester usually ends several of your early pregnancy problems such as nausea, vomiting, and fatigue. It gives a shape to your pregnancy and that is why elders suggest that we need to wait till the third month before making the announcement.
Let’s now answer some questions that might be coming up on your mind frequently.
Frequently Asked Questions:
1. How much weight should you gain in the third month of pregnancy?
You are likely to gain 2-4 pounds (1 to 2kg) by the end of third month (7). Since the baby is still small, you need not have to gain weight more than this. However, some women may lose weight due to food aversions and morning sickness.
2. If I am three months pregnant, when is my due date?
The due date is calculated by adding 40 weeks to the first day of your last period. So, if you are three months pregnant now (12 weeks), you will be delivering your baby about 28 weeks later.
3. What can I do to prevent stretch marks?
Stretch marks are common during pregnancy and will vanish after some time. You may ask your doctor if they could prescribe an oil or lotion that you can apply to minimize the marks.
Do you have any more questions to ask? Let us know in the comment section below.
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