Your Pregnancy: Week 13

Pregnancy week by week: You are 13 weeks pregnant


Your Body

Your forgetfulness and absent-mindedness or so-called “mommy brain” is brought on by pregnancy hormones like hCG (human Chorionic Gonadotropin). Fatigue can also take the rap for your slightly diminished mental capabilities.

Your libido is making a comeback. If you have the energy or interest, sex is a healthy, fun way to reconnect with your partner during this busy time in your lives (and don’t worry, having intercourse in pregnancy won’t hurt your baby). Some women believe that the increased blood flow to their genital area improves sex.

Clumsy lately? The pregnancy hormone relaxin does just that, relaxes joints and ligaments throughout your body, including your hands and feet, making you trip and drop things.

Baby’s World

He’s about the size of a peach (2.5 – 3.1 in/65 - 78 mm; 13 to 20 g/0.03 - 0.04 lb.) and is starting to resemble a newborn, both in his features and shape. Technically, he can now be called a fetus. Up until this time, his head has been disproportionately larger than his body. As his body races to catch up, his head’s growth rate slows down. His eyes have progressed from the sides of his head to the front of his face and are moving closer together. Fetal fingerprints are in place. His stomach remains essentially empty until he tastes his first breast milk. The kidneys and bladder filter and carry urine. An ultrasound can pinpoint the sex of your baby.

Fun Fact

If you’re pregnant with a girl, her ovaries now hold two million eggs, only one million of which she will be born with.

Week 12     Week 14

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