Their parents, according to Professor He, volunteered for the experiment. The father is believed to carry HIV.

何教授表示，这对双胞胎的父母志愿参加实验。双胞胎的父亲携带艾滋病毒。

The father is believed to carry HIV. Professor He also appeared to suggest that a third genetically modified baby is possible that the pregnancy is in the early stages.

这位父亲被认为携带艾滋病病毒。 何教授似乎还提出，第三个转基因婴儿可能处于怀孕的早期阶段。