摘自再生緣臍帶血保存中心

孕婦生理變化
子宮底部已在妳的肚臍上方9至10公分,妳的體重增加約8公斤半至12公斤。胎兒在肚子裡的位置仍不一定,有時是頭朝上,有時頭朝下。現在開始有些準媽媽的腹部會有一陣陣地發硬的現象,有些像是生產時子宮收縮,這是一種子宮假收縮的現象(Braxton Hicks contractions)。頻尿仍會發生,在這個階段是正常現象。

胎兒發育成長
寶寶的頭臀長約為26公分,身長約為42公分,體重約1250公克。胎兒的眼睛可分辨經過子宮壁進來的光為明亮的陽光或人造光。寶寶現在由於體積日益增大,相對地可在子宮內活動的空間也日益縮小,使得胎動減弱,但是還是會做踢腿或伸懶腰的動作。

注意事項
1.孕婦要注意休息,不要走太遠的路或站太久。
2.若有厲害頭痛、視覺模糊、手腳明顯腫脹,或體重快速增加等現象,需立即安排就診,看是否發生先兆子癇(preeclampsia)。先兆子癇是妊娠後期的一種產科病,特點為孕婦會有高血壓、蛋白尿及水腫發生。常見於第一胎,生產後病情會改善並康復。 


摘自Babycenter

How your baby's growing 
Your baby now weighs about 2 1/2 pounds and is a tad over 15 inches long from head to heel. Her muscles and lungs are continuing to mature, and her head is growing bigger to accommodate her brain — which is busy developing billions of neurons. With this rapid growth, it's no surprise that your baby's nutritional needs reach their peak during this trimester. To keep yourself and her well nourished, you'll need plenty of protein, vitamin C, folic acid, iron, and calcium. (About 200 milligrams of calcium is deposited in your baby's skeleton — which is now hardening — every day.)

How your life's changing 
You should be able to feel your baby's movements strongly now. Pay attention to the kicks and nudges, and let your practitioner know if you ever notice a decrease in activity. She may ask you to do fetal kick counts to make sure everything's okay.

Some old friends — heartburn 胃灼熱and constipation 便秘 — may take center stage again. The pregnancy hormone progesterone relaxes smooth muscle tissue throughout your body, including your gastrointestinal tract. This relaxation, coupled with the crowding in your abdomen, slows your digestive process, which can cause gas, especially after a big meal. Another problem you can credit to your growing uterus (and constipation) is hemorrhoids. Hemorrhoids — which are simply swollen blood vessels in your rectal area — are very common during pregnancy and usually clear up soon after delivery. If they're itchy or painful, try soaking in a sitz bath and applying a hot pad or cold compresses medicated with a little witch hazel to the affected area. Also avoid sitting or standing for long stretches. Talk with your practitioner before using any over-the counter remedies during pregnancy, and let her know if you have any rectal bleeding. To prevent constipation, eat a high-fiber diet, drink plenty of water, and get some regular exercise.

A small number of women get something called "supine hypotensive syndrome"仰臥位低血壓綜合徵 during pregnancy. When they lie on their backs, they get a change in heart rate and blood pressure that makes them feel dizzy until they change position. You might note that you get dizzy if you stand up too quickly, too. To avoid getting the spins, move slowly as you go from lying down to sitting and then standing.
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