Mike, is it your doing that you were first in birth order?

迈克，你是头胎出生是否是你的功劳？

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The type of astrology that most western astrologers practice, horoscopic astrology, requires an exact birth time in order to work properly.

大部分西方占星师所使用的占星方法，需要对方提供准确的出生时间，才能正常进行运算。

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Researchers found that the results held true even when taking into account difficult temperaments in the children, anxiety by the parents and birth order.

研究人员发现即使考虑到孩子难相处的性情，父母的焦虑以及出生顺序，该结果都是正确的。

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They said teachers could remind themselves that not all children are at the same stage by taking steps like calling the register in birth order rather than alphabetically and grouping children together by age.

BBC: Younger pupils' mental health risk

In child psychology birth order is often considered significantly determinative.

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What hasn't changed is the need for women in the U.S. to have a doctor's prescription in order to receive birth control pills.

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