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生bb有得揀性別?

有人話生男生女其實可以控制, 真的嗎? 坊間的「秘方」有醫學根據嗎?

By Hin Ng  (middle-school student) on 2012-07-03  Answers 3   Views 219

i can answer

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By Anonymous on 2012-11-22

最近終於用左一個營養飲食法, 輕輕鬆鬆咁3個月就減左10磅,全身瘦左16吋!
最犀利係肚腩減左5吋, 脂肪由30.7%降到23.5%!
最緊要係無論精神, 體力同埋健康都比以前好!
希望我的分享可以幚到你啦...
http://new-body.9826.biz

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By win8 (pupil) on 2012-07-27

MINDY CHAN都講得對,但其實還要看看排卵期,因為精子(男基因)會游得快啲(但死得也快啲),所以能配合到(時間)的話生男孩子機會會大一點。我現有一大仔、一細女,不防了解多些,請參考書籍或([email protected])

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By mindy chan (middle-school student) on 2012-07-04

男方的染色體為XY, 分開一半為 X 同 Y ,, 女方的染色體是XX 分開一半 即係兩個 X, X 精子+ X卵子 =XX=女仔
Y 精子+ X卵子 =XY=男仔, 機會係一半半。坊間個d秘方多數都無醫學根據!唔好信! 

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