Laboratory Team

Today’s fertility care requires meticulous and complicated laboratory work. LGBT Fertility‘s laboratory team is an integral part in continuing our high live birth rates and the success of our egg freezing program. Our embryologists endeavor to be at the forefront of the rapidly advancing field of reproductive science.

Dr. Carlos Guerrero

Dr. Carlos Guerrero, Ph.D, HCLD, ELD
Laboratory Director

Dr. Carlos Guerrero is the Laboratory Director for LGBT Fertility and is originally from Colombia, South America. He graduated from Louisiana State University, where he received his Ph.D. degree in Reproductive Physiology with an emphasis in Embryology.

Before joining LGBT Fertility, Dr. Guerrero was a Senior Embryologist and Head of Research and Development at the THR Presbyterian-Harris Methodist ARTS Program in Dallas and Fort Worth,TX. He is board certified in Human Clinical Andrology and Embryology and is a High Complexity Clinical Laboratory Director and In Vitro Fertilization Laboratory Director by the American Board of Bioanalysis.

Dr. Guerrero manages and is directly involved on a daily basis with the quality control/quality assurance and overall functioning of the Andrology, Endocrinology and Embryology Laboratories. His technical experience and scientific knowledge in the assisted reproduction laboratory have been recognized both locally and nationally. His expertise is on all areas of embryology and andrology, including: semen analysis, sperm preparation for intra uterine insemination (IUI) and in vitro fertilization (IVF), oocyte retrieval, in vitro fertilization, embryo micromanipulation techniques to include laser assisted hatching, intracytoplasmic sperm injection and preimplantation genetic diagnosis. Oocyte, embryo and blastocyst slow freezing and rapid freezing (vitrification), embryo culture and embryo transfer.

Dr. Guerrero is actively involved in research projects and has several publications in prestigious scientific journals. His current research projects include blastocyst freezing, egg freezing for fertility preservation, embryo growth and selection, blastocyst culture and male infertility.

He is fluent in English and Spanish and is a member of the American Society for Reproductive Medicine and the American Association of Bioanalysts. Dr. Guerrero is also Founder and President of the Dallas Embryologists Association.

Sarah Gilmore
Senior Embryologist/Laboratory Supervisor

Sarah has been an embryologist since 2008. She holds a Technical Supervisor certification from the American Board of Bioanalysis and graduated from the University of North Texas with a BS in Biology and minor in Chemistry. Before becoming an embryologist, Sarah worked at UT Southwestern Medical Center performing DNA extraction, cell culture and PCR amplification. At LGBT Fertility, she is involved in all facets of the andrology, endocrinology, and embryology laboratories.