Phụ nữ stress dễ sinh con gái
Cập nhật: 07:20 27/09/2007 GMT+7
Những bà mẹ tương lai bị căng thẳng khi mới mang bầu sẽ dễ sinh con gái hơn là con trai. Đây là nghiên cứu đầu tiên tìm hiểu mối liên quan giữa stress thường nhật với giới tính của đứa con.
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ieG6osSR4bqz4bu54bu1bjnhurPhu7jhu5lrc+G6s+G7uOG7lXLhurNS4buZxJFy4buZ