Author Archives for Dr. Gregory Corsan

Clomiphene (Clomid) Better than Letrozole for Treating Women with Unexplained Infertility

August 10, 2015 12:09 pm Published by Leave your thoughts

Couples with unexplained infertility — those in whom no significant problems are found after a fertility investigation by their doctor — struggle to find the best treatment.   Until now, fertility experts have generally agreed that the first line of therapy for such couples is a combination of clomiphene (Clomid) and intrauterine insemination, or IUI.... Continue Reading


What is the Right Number of Embryos to Transfer in an IVF Cycle?

March 18, 2015 8:59 am Published by 1 Comment

The primary goal of an IVF cycle is the birth of a healthy full-term baby. Doctors are increasingly using a national database to learn more about the IVF process – the National Assisted Reproductive Technology Surveillance System database.  Researchers recently studied the association between good perinatal outcome (delivery of a baby weighing more than around... Continue Reading


Myths of Male Fertility

February 12, 2015 8:18 am Published by Leave your thoughts

Can Lifestyle Changes Make a Difference in Male Infertility? After a diagnosis of a sperm problem in an infertile couple, I am commonly asked by the male partner if he “can do anything to fix the problem”. This usually means he’s asking if a change in diet, exercise, alcohol intake or vitamins can influence sperm... Continue Reading


Egg Donation Growing in Popularity in U.S.

November 4, 2013 11:49 am Published by Leave your thoughts

A recent study from Emory University School of Medicine has shown that over the last 10 years the number of donor egg cycles performed in IVF has increased significantly and the birth outcomes have also improved. The study used data from the Centers for Disease Control (CDC) and Prevention’s National Assisted Reproductive Technology (ART) Surveillance... Continue Reading


Do Bilateral Ovarian Endometriomas Affect IVF Results?

April 2, 2013 11:26 am Published by Leave your thoughts

When severe endometriosis occurs in women with infertility, the ovaries may contain fluid‐filled spaces called endometriomas (“chocolate cysts”) on pelvic ultrasound. Endometriomas can be found on the left, right, or both ovaries simultaneously (bilateral). Traditionally, surgery was recommended to remove these cystic lesions prior to IVF. More recently, doctors are concerned that such surgery may... Continue Reading


Sperm DNA Damage May Be Major Cause of Unexplained Infertility

January 3, 2013 11:24 am Published by Leave your thoughts

About one‐third of infertile couples are diagnosed with unexplained infertility, meaning that routine infertility testing has not found the cause of their difficulty conceiving a baby. A recent study from Queen’s University in Belfast has found the cause of many cases of unexplained infertility — small breaks in the DNA of the man’s sperm. Sperm quality... Continue Reading


What Vaccinations Do Infertility Patients Need?

October 6, 2012 4:45 pm Published by 1 Comment

New vaccination guidelines for women undergoing infertility evaluation and care have just been released. Usually the primary care doctor handles vaccination concerns for patients, but they will commonly defer to the woman’s OB/GYN or fertility specialist if the patient is pursuing fertility care. Vaccinations before or during pregnancy can protect women from potentially serious illnesses, prevent... Continue Reading


Do Vaginal Lubricants Affect Your Chance to Conceive?

July 1, 2012 3:01 pm Published by Leave your thoughts

Previous studies have reported that over-the-counter vaginal lubricants (Astroglide, KY Jelly, and Replens) can negatively affect sperm motility in a laboratory setting. Fertility specialists have long advised patients against using these products while trying to conceive. It is estimated that 25% of women have used these products within the past month. A new study published... Continue Reading