It has been shown to prevent pre-term labor and delivery.

Instead all trades are offset in a subsequent market thus preventing physical delivery.

Respiratory arrest prevents delivery of oxygen to the body.

Arrested blood circulation prevents delivery of oxygen to the body.

Consumption is also known to help prevent premature delivery and low birth weight.

Only one treatment, the hormone progesterone, has been shown to help prevent premature labor and delivery.

His first period had been so rehearsed that neither vacant mind nor dry mouth could quite prevent delivery.

There is some evidence that taking fish oil during the last ten weeks of pregnancy can help prevent premature delivery.

In 1942 the series was ordered, but the war prevented delivery until 1948.

"Why would anyone or anything wish to prevent delivery of ignorant letters?"