Attempts surgically to induce chorionic fusion between embryos

Intercornual fistulas were made in the uteri of 19 ewes in an attempt to induce chorionic fusion between fetuses. Ewes were 28 to 40 days pregnant with at least one fetus per horn. Sections were removed from the dorsomedial wall of each uterine horn, and left and right horns were sutured together ar...

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