Week 12 of Pregnancy: Baby Size and Development

Baby Size at Week 12: Your baby is about the size of a plum, measuring around 2.5 inches (63.5 mm) from crown to rump. The growth rate is remarkable, and your little one is now starting to look more like a tiny human.

Week 12 of Pregnancy: NUB Theory and Gender Clues

As you enter week 12 of pregnancy, the nub theory continues to offer glimpses into your baby’s gender. By observing the angle and shape of the genital tubercle, you may be able to uncover exciting clues about whether you’re expecting a boy or a girl.

Changes and State in the Mother’s Body: By week 12, you may notice some changes in your body. Your uterus has grown to the size of a grapefruit and is starting to push your abdomen forward. You might also experience increased vaginal discharge, as well as changes in your hair and nails due to hormonal shifts.

Common Symptoms

  • Morning sickness may still be present, although it usually starts to improve by this stage.
  • Fatigue and mood swings may continue to be a part of your pregnancy journey.
  • Tender and swollen breasts are common, as your body prepares for breastfeeding.
  • You might experience frequent urination due to the pressure of the growing uterus on your bladder.
  • Some women may notice skin changes, such as acne or darkening of the skin in certain areas.

Tips for Week 12

  1. Stay hydrated: Drinking plenty of water can help alleviate pregnancy symptoms and keep you and your baby healthy.
  2. Eat small, frequent meals: This can help manage morning sickness and keep your energy levels stable.
  3. Take prenatal vitamins: Ensure you’re getting all the necessary nutrients for your baby’s development.
  4. Get some exercise: Engage in low-impact activities like walking or prenatal yoga to stay active and relieve stress.
  5. Start a pregnancy journal: Documenting your journey can be a beautiful way to cherish the memories and reflect on your experiences.


  1. Can I still travel during week 12 of pregnancy?
    • It is generally safe to travel during this time, but it’s essential to consult with your healthcare provider to ensure it’s appropriate for your specific situation.
  2. Is it normal to have occasional cramping at this stage?
    • Mild cramping can be normal as your uterus expands, but if you experience severe or persistent cramps, it’s important to contact your doctor.
  3. When will I start feeling my baby move?
    • Most women start feeling their baby’s movements between weeks 18 and 25, but it can vary. If you are concerned, speak with your healthcare provider.

Disclaimer: Please note that our website is designed exclusively for entertainment purposes. Although we have confidence in our approach, we do not assert a specific accuracy rate since ongoing research continues to shape our methods.