父代母育 couvade

次生代母树 secondary mother-tree

初生代母树选择 primary mother-tree selection

字母代码 [计] letter code ; [计] Alphabetic Code ; alpha-code ; [计] alphabetical code

代码字母 [计] code letter

代理孕母 Surrogate motherhood ; partial surrogacy

代理母亲 Surrogate mother ; mother surrogate ; substitute mother

字母数字代码 [计] alphanumeric code

代母怀孕技术 surrogacy technology