Sentence examples for fertilization procedure from inspiring English sources

The only potential source of oocytes is those that are discarded in daily medical practice in an in vitro fertilization programme, that is, immature oocytes and mature oocytes which do not fertilize after the in vitro fertilization procedure.

By further inspection, it became clear that the proportion of "good sperm" or "bad sperm" in terms of head vacuoles in semen samples was indicative for a proportion of fertilized oocytes (fertilization rate) after in vitro fertilization procedure but this depended on the method of in vitro fertilization.

But when their calendar-coordinated couplings fail to make Lucy pregnant, they become desperate and begin making the medical rounds, ultimately deciding on an in vitro fertilization procedure whose chances of producing a baby are one in five.

My seemingly textbook-perfect in vitro fertilization procedure -- in which I had six very good embryos and my doctor transferred the three most beautiful, symmetrical and hearty-looking of the batch to my uterus -- also failed for no discernible reason.

It also brought objections from critics who warned of possible risk to the embryo and the in vitro fertilization procedure itself, in which embryos are generated from a couple's egg and sperm.

The United States is one of the few countries that still routinely transfer more than two embryos during an in vitro fertilization procedure.

The couple were married in 1992 and began in vitro fertilization procedures in 1995.

Some of these embryos are left over after in vitro fertilization procedures, but scientists can also create embryos themselves.

Opponents say the studies violate the sanctity of human life by encouraging the destruction of embryos left over from fertilization procedures.

If cloning for stem cell research violates the respect the embryo is due, then, arguably, so do in vitro fertilization procedures that create and discard excess embryos.

A study this month in Lancet, for example, suggests that the B vitamin folic acid may increase the survival of embryos in in vitro fertilization procedures, resulting in more twin births.