不生育，不育症：生育能力弱，或无生育能力，此术语不指完全没有生育力。sterility指完全无生育力。本术语又称相对无生育力(relative sterility)
习惯用语primary infertility
原发性不育症：患者从未怀过胎secondary infertility
继发性不育症：患者过去曾怀过胎- guanadrel sulfate
- guanase
- guancydine
- guanethidine
- guanidase
- guanidine
- guanidine-acetic acid
- guanidinemia
- guanidinoacetic acid
- guanido-acetic acid
- guanine
- guanine deaminase
- guanochlor sulfate
- guanophore
- guanosine
- guanoxabenz
- guanoxan sulfate
- guanylic acid
- guanylyl
- guarana
- guaranine
- guard
- Guarnieri's bodies (corpuscles)
- guayule
- gubernacula