Reproductive Partners Fertility Blog » Blastocyst

Day 5 embryo biopsy for PGD or PGS less harmful to embryo than Day 3

Dr. Arthur Wisot FACOG — Mon, 24 Oct 2011 16:27:58 +0000

A study presented at the American Society of Reproductive Medicine Conference in Orlando last week, aimed to compare the safety and efficacy of embryo biopsies conducted for the purposes of screening for genetic disease at day 3 (cleavage stage) versus day 5 (blastocyst stage) of embryonic development. The impact that biopsy has on an embryo's ability to implant and develop …

In embryo culture is more or less oxygen better?

Dr. Arthur Wisot FACOG — Mon, 14 Feb 2011 20:36:25 +0000

This is one of a series of news items from abstracts of studies presented at the Annual Meeting of the American Society for Reproductive Medicine as complied by Dr. David Meldrum, Scientific Director of Reproductive Partners. We appreciate the enormous amount of work it takes to compile and comment on these abstracts.

In a poster presentation outcomes using 5% …

RPMG studying financial incentives for eSET

Dr. Arthur Wisot FACOG — Fri, 30 Oct 2009 23:59:58 +0000

The LA Times article mentioned in the previous post shows the non-signficant difference in success rates between single- and double embryo transfers in a study from Sweden. Most impressive is the reduction in potentially complicated multiple pregnancies by transferring one embryo which should be an incentive for appropriate couples to select this option.

But in most of the U. S., …

Sex Ratio and Blastocyst Transfer

Dr. Arthur Wisot FACOG — Mon, 26 Oct 2009 16:30:11 +0000

One frequent question I hear is, "Does doing a blastocyst transfer increase my chance of having a boy." Urban legend has it that there is a greater chance of a boy with a blastocyst transfer because male embryos supposedly develop more quickly than females.

Now a study published in the October 2009 edition of "Fertility and Sterility" shows that "male …

Blastocyst Transfer

admin — Mon, 30 Jan 2006 21:49:53 +0000

Blastocyst Transfer Update-2006 By David R. Meldrum, M. D., Gregory F. Rosen, M. D. and Bill Yee, M. D. Reproductive Partners Medical Group, Inc. Beverly Hills, Long Beach and Redondo Beach, California

Typically, embryos from in vitro fertilization are transferred back into a woman’s uterus at the 4- to 8-cell stage two to three days after egg retrieval. It has …