Learn more about our editorial and medical review policies. Prenatal development: How your baby grows during pregnancy. American College of Obstetricians and Gynecologists. March of Dimes. Heartburn and indigestion. Mayo Clinic. Fetal development: The 1st trimester.
Fetal development. Join now to personalize. Baby's got reflexes This week, your baby can open and close her hands and curl his toes. Get moving Exercise can help you feel better. Telling the boss Do your research first. You're in your third month! Your baby at 12 weeks Tap the plus for more details. Your body at 12 weeks Tap the plus for more details. By Kate Marple. You and your baby need a variety of nutrients to get through the rest of your pregnancy.
Your skin is also becoming more sensitive. Week 12 can be a good time to start doing Kegel exercises to strengthen your vaginal muscles. This can help with delivery and recovery after the birth. You may also learn about these exercises if you participate in a birthing class. These include:.
If you suddenly experience severe nausea and vomiting more than two or three times a day, call your doctor right away. For many women, the 12th week of pregnancy is the time that morning sickness symptoms start to ease or even disappear. A new study finds that epidurals do not affect child development in their later years. A fetal arrhythmia is an irregular heart rate — too fast, too slow, or otherwise outside the norm. It's often benign. Postpartum diarrhea after a C-section is normal.
Sharing our experiences of pregnancy and infant loss can help us heal. Using breast milk for eczema is a popular home remedy. Here's what the research says about acupuncture for your morning sickness.
Your baby eats and drinks what you eat and drink The placenta is working now, sending oxygen and nutrients through the umbilical cord and taking waste products away. Most things that you eat and drink pass through to your baby. This is why you need to eat healthy food , not have too many caffeinated drinks — like coffee, tea and energy drinks — and quit alcohol and other non-prescribed drugs.
This includes prescribed medicines, natural supplements and medicines from chemists and supermarkets. If you need support to cut down or quit smoking, ask your doctor or midwife for help, or call Quitline on At 12 weeks, the fetus is about the size of a passion fruit, measuring close to 2.
Take a look at the illustration below to get a visual idea of how your baby is developing:. Feed me! Be sure you're eating enough and maintaining a healthy diet, but don't feel you actually need to eat for two. Experts recommend adding only about extra calories a day, on average, during pregnancy. You might like to use our Pregnancy Weight Gain Calculator to get an idea of what a healthy weight gain looks like based on your pre-pregnancy weight.
Try not to compare your bump to other moms-to-be. Read more on when you might start to show. At 12 weeks pregnant, here are some of the symptoms you may be experiencing:. Bleeding and sensitive gums. As your blood volume increases and hormone levels change, you may find that your gums start to swell and are more sensitive; they may even bleed when you brush or floss. Although this can be disconcerting, it can be completely normal.
Continue to brush and floss regularly, and speak to your dentist, if needed, to check that everything is OK. Using a softer toothbrush and rinsing with salt water a teaspoon of salt dissolved into a cup of warm water can be helpful.
Feeling lightheaded. During pregnancy, your body produces more blood vessels, and your hormone levels change.
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