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按月計算的妊娠過程及其相應的腹部形態
Progress of pregnancy by months and corresponding changes in abdominal shape.
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9個月後，子宮向下移動
After 9 months, the uterus moves downward.
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後三個月
在妊娠的最後3個月（中國大陸醫院習慣於稱為“晚期妊娠”——譯者注），因為潛在的併發症在這個時期最可能發生，孕婦必須要更加頻繁地去看醫生。當胎兒生長引起的孕婦腹部膨隆超過肚臍時，小寶寶的生長速度甚至顯著加快。到了妊娠第38周，胎兒生長已經達到頂峰，在此時才真正被稱為胎兒。只有到了此時，它才做好了出生的準備。
妊娠的開始與終結的準確時間差異較大，甚至同一個孕婦每次的妊娠也是如此。經常參加體育鍛煉的婦女通常比活動不多的婦女分娩時間要短，生女孩常常比生男孩花費時間要短，在一些非常罕見例子，妊娠持續的時間超過280天。
Pregnancy
The
Woman During Pregnancy
The Third Trimester
During the last three months of pregnancy, the woman has to visit her doctor more often because potential complications are most likely to occur during this period. The growth of the fetus becomes even more obvious as the swelling in the woman's abdomen reaches higher above the navel. By the thirty eighth week of pregnancy, the fetus has attained its maximum growth and is then called term fetus. It is ready to
be born.
The exact time from the beginning to the end of pregnancy varies, even with the same woman. Women who engage in vigorous physical exercise usually deliver sooner than others, girls are often born a little earlier than boys, and, in some very rare cases, pregnancies last over 280 days.
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