Some couples may have family history of genetic diseases like Albinism, Haemophilia, G6PD deficiency or Colour blindness.Tests on genetics may therefore be performed.

• 伴侣可进行基因测试，以检查是否拥有家族性遗传病的基因，如白化症、血友病、葡萄糖六磷酸去氢酶缺乏症或色盲。