fertility; ability to conceive
Medical and formal term for the biological capacity to become pregnant. In everyday conversation, 妊娠しやすさ or 妊娠する力 are more common.
Fertility declines with age.
This treatment may improve the ability to conceive.
妊娠 means 'pregnancy' (the state of carrying a fetus), while 受胎能力 refers to the capacity to become pregnant.
生殖能力 is a broader term for 'reproductive ability' in both sexes, whereas 受胎能力 specifically refers to female conception ability.
Compound of 受胎 (conception) and 能力 (ability). The exact historical derivation is uncertain, but the components are transparent.