Inggeris

fertilization of a second ovum after a pregnancy has begun
results in two fetuses of different ages in the uterus at the same time
― superfetation is normal in some animal species

Japanese

妊娠が始まった後に2番目の卵の受精
その結果同時期に子宮に異なる月数の2人の胎児が宿る
― 重複妊娠はある種の動物では正常なことだ

SUMO: ⊂ SexualReproduction

TempoWN: ◀ ▲ ▶ (Past: 0.252; Present: 0.363; Future: 0.384)

SentiWN: △ ▽ (+0.00 -0.00) MLSentiCon: △ ▽ (+0.00 -0.00)