其实，宝宝的视力发育，关键期就是在怀孕后的一个多月里。在这段时间内，宝宝需要一个安全良好的环境，确保眼胚的发育良好。医学研究发现，孕期摄入糖分过多，对宝宝的视力发展是很不利的。
一、揭秘胎儿视力发育关键期
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一般说来，眼胚发育是在怀孕3周到怀孕1个月，在此期间，如果准妈妈不幸感染病毒（如风疹等）、患有感冒、受到化学物质的影响、应用保胎素等，将会严重影响眼胚的发育，可引起眼睛畸形。此外，孕妈妈也要注意避免病毒感染、不要接触使用化学物质，用药前，一定要向医生咨询，并明确告知医生自己已怀孕，切不可随意服药。
