In surgical method the small part of oviduct is cut and tied from both the ends than how the ovum enter into oviduct and menstruation occur?

In surgical method the small part of oviduct is cut and tied from both

1.	In surgical method the small part of oviduct is cut and tied from both the ends than how the ovum enter into oviduct and menstruation occur?
Answer» In surgical method the small part of oviduct is cut and tied from both the ends than how the ovum enter into oviduct and menstruation occur?