Women

Pregnancy Diary: Understanding Your Second Trimester (13-16 weeks)

If you’ve been feeling sick and tired with morning sickness, you’ll probably start to feel better when you’re around 13 or 14 weeks pregnant.

Some women start to experience an increased sex drive around this time, possibly due to pregnancy hormones or increased blood flow to the pelvic area. Some women don’t, and this is perfectly normal. You can find out more about sex in pregnancy.

You’ll notice a small bump developing as your womb grows and moves upwards. If you’ve been feeling the urge to pass urine more often over the last few months, that’s due to your womb pressing on your bladder and other changes in your circulation. This should ease off now but you will still pass more urine than is usually normal. See your doctor if you notice any pain when you urinate. Urinary infections can happen in pregnancy and it’s important to treat them quickly to reduce the risk of kidney infections.

Week 13

Your baby weighs around 25g.

Your baby’s ovaries or testes are fully developed inside their body, and the genitals are forming outside their body. Where there was a swelling between the legs, there will now be a penis or clitoris growing, although you usually won’t be able to find out the sex of your baby at an ultrasound scan at this stage. Even the fingerprints are now formed.

Week 14

At 14 weeks, the baby is about 85mm long from head to bottom. It has hair all over its body, called lanugo.

Around now, the baby begins to swallow little bits of amniotic fluid, which pass into the stomach. The kidneys start to work and the swallowed fluid passes back into the amniotic fluid as urine.

Week 15

Around this time, your baby will start to hear — it may hear muted sounds from the outside world, and any noises your digestive system makes, as well as the sound of your voice and heart.

The eyes also start to become sensitive to light. Even though your baby’s eyes are closed, they may register a bright light outside your tummy. They may also develop hiccups, a precursor to breathing.

Week 16

The muscles of the baby’s face can now move and the beginnings of facial expressions appear. Your baby can’t control these yet.

The nervous system continues to develop, allowing the muscles in your baby’s limbs to flex. Around this time, your baby’s hands can reach each other — they can form a fist, and hold each other when they touch and grab onto the umbilical cord.

 

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