The second trimester comes with a lot of energy and an uplifted mood. At week 15, you must be feeling good about yourself. Especially with the morning sickness nowhere to be seen, should make you happy and energized. Focus your time and energy on things to be done and keeping yourself active and healthy.

Week 15 – Pregnancy Development, Symptoms, and More

The second trimester comes with a lot of energy and an uplifted mood. At week 15, you must be feeling good about yourself. Especially with the morning sickness nowhere to be seen, should make you happy and energized. Focus your time and energy on things to be done and keeping yourself active and healthy.

Pregnancy can take a toll on your emotions. Mood swings are a real thing – everybody knows that. Communicating with your partner will surely help you both out. Sharing with your partner about how you feel and what you have been going through will help your partner understand about you during this journey. And be open about what your partner wants to communicate with you as well. Remember that effective communication is never a one-person show.

How many months are 15 weeks?

At 15 weeks, you are in your 4th month of pregnancy. Take care of yourself and enjoy the time of your pregnancy. Only 5 more months or 25 weeks to go.

Baby Development

As the second trimester is all about development and growth, the baby is growing with each passing day and learning about the survival tricks for the world outside the womb. From this time and onwards, the baby will focus on learning and practicing the essential motions and skills for survival.

How big is the baby at week 15?

15 Weeks pregnant

At 15 weeks your baby is as big as an apple. The baby measures almost 4 inches long and weighs about 2.5 ounces. The ratio of head to the body has started to become normal – more human-like.

The head and the face

This week, the scalp is forming a hair pattern. The facial features are becoming more distinct and the eyes and the ears are falling into place. The eyes have moved from being on the sides of the head to the front of the face. And the ears catch their spot on the sides of the head from being on the neck.

Skeleton is getting stronger

The tissues in the hands and feet were forming into bones at almost 13 weeks. Just after two weeks, the bones have solidified enough to be seen in an X-ray. The bones will continue to get stronger and thicker from now on.

Hair, skin, and nails

The baby is growing more hair and lanugo to keep warm and stylish in the womb. The nails are also growing but they are extremely soft and tiny at this stage. The skin of the baby is transparent but it is growing and soon will begin to get opaque.

Dancing baby

Just in a few more weeks, you will be able to feel what a dancer you have in your belly. The baby is moving all the time. Kicking, wiggling, curling toes, and moving the body parts is currently your baby’s favorite pastime.

Your Belly at 15 weeks

Your uterus is sitting at 4-5 inches below your belly button. As the baby gets bigger, the uterus stretches and will outgrow the pelvis region. Your baby belly might not show in loose clothing especially if you are a first-time mom. But for second-time moms, the baby belly pokes out as the uterus has already stretched out from the earlier pregnancies.

Pregnancy Symptoms

With all the first trimester symptoms fading away you will be high on appetite and energy. Mood swings and also likely to swing in. Few more symptoms you might be facing this week are:


Painful for you but good for your baby. Yes! Everything good for your baby isn’t going to be good for you too. The hormones relax the gastrointestinal tract because of which the food takes longer to digest. It results in indigestion and related issues like heartburn, bloating, and being gassy for you but a better absorption of nutrients that are carried to the baby through the bloodstream.

Avoid eating large portions of food in one sitting. Eat smaller portions, several times a day. Also, stay away from extra spicy and greasy foods. Drink a cold cup of milk after every meal to prevent heartburn.

Bleeding or swollen gums

Pregnancy hormones cause so many changes all around your body and your mouth isn’t an exception. The hormones make your gums susceptible to the infection called gingivitis which makes your gums respond differently to the bacteria in your mouth.

Maintain good oral hygiene. Brush, floss, and gargle regularly to prevent any infection in your gums.

You may also feel a small lump in your gums. Although it is called a pregnancy tumor, it’s harmless. I wonder who named it. Don’t worry, the lump will go away after your pregnancy.

Shortness of breath

A growing uterus is causing a traffic jam in your torso which can lead to shortness of breath. The lungs have to work harder to circulate oxygen to the baby and you at the same time with little space.

Practice prenatal stretching exercises to make your body flexible and open up some space for your organs to work.

Weight gain

The baby is getting bigger and you are getting hungrier. Indulge in healthy eating habits and don’t give in to your food cravings. Aim at increasing 1-1.5 pounds of weight gain each week. It’s important to enjoy your pregnancy but remember that the more you gain weight during pregnancy the harder it will be to lose all that weight after you have your baby.

Sex drive

Either you will be all about sex or not even a bit about the sex. The hormones in your body will set your mood in either of the directions.

Nothing is permanent. You may feel a change of mood in a week or a month. Talk to your partner, spend some quality cuddling time and call it a day.

Things to take care of this week

  1. Hit some prenatal 15-minute exercise routine 3-4 times this week
  2. Start building a baby registry
  3. See, if there is a test scheduled like Amniocentesis or multiple marker screening for neural tube defects.

When to call a doctor

The risk of miscarriage drops significantly in the second trimester. Still, it is important to take good care of yourself and alert the doctor if you feel something is not right or experience:

  1. Abnormal bleeding with severe pelvic cramps
  2. Vaginal discharge which is a foul odor, ill-colored (yellow, green, or brown), and accompanied by a rash
  3. Severe swelling in your hands and feet
  4. Pelvic cramps that last more than 12 hours.
  5. Vomiting or nausea more than 2-3 times a day.

Remember that I am not a professional gynecologist. My suggestions are based on my experience. Therefore should not be considered as a piece of medical advice.

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