acyesis
infertility
impotence
breeding
nonconception
inconceivability
aspermia
inconceivableness
sterility
facts of life
reproduction
procreation
overfertility
spermlessness
sterilizability
parthenogeny
parthenogenesis
virgin birth
digenesis
spermatism
nonreproduction
reproductivity
conception
reproductiveness
cephalopelvic disproportion
spermatotoxicity
agamogenesis
amphimixis
oligospermia
agamy
spermatology
subfertility
gamogenesis
azoospermia
insemination
agennesis
intersex
androgyne
epicene
gynandromorph
oosperm
epicene person
hermaphrodite
hypospermatogenesis
atocia
anejaculation
secondary sex characteristic
secondary sex character
sperm cell
secondary sexual characteristic