备受争议的人造子宫：机器替人生娃，是进步还是倒退？(13)

3. Successful use of an artificial placenta to support extremely preterm ovine fetuses at the border of viability
4. Successful use of an artificial placenta—based life support system to treat extremely preterm ovine fetuses compromised by intrauterine inflammation
题图摄影：马超soleil
部分图片来源网络
原标题：《备受争议的人造子宫：机器替人生娃，是进步还是倒退？》