OUR PHONE LINES ARE CURRENTLY DOWN. We apologize for any inconvenience while we work to resolve this issue. During Business Hours: • If you are having an emergency please dial 911 or go to the nearest hospital. • For all non-urgent matters, please email your nurse and copy admin@uscfertility.org. • You may also call 1(800)USC-CARE and we will return your call. After 5 PM: • If you are having an emergency, please dial 911 or go to the nearest hospital. • For emergencies, you may call 1(213)200-0147 for assistance. This number does not accept messages. • You may also call 1(800)USC-Care and have the doctor on call paged.

Embryology Staff

Our Embryology Staff supports the USC Fertility Doctors with Cutting Edge IVF and Egg Freezing Technology


Embryology is a science practiced by many, but perfected by few. At USC Fertility, our patients have benefited from the vast experience and capabilities of our embryology team. They contribute to both the ever-increasing USC Fertility success rates as well as to the pioneering research studies conducted at USC Fertility such as the breakthrough egg freezing successes of the program.

  • Ali Ahmady, PhD, HCLD -Lab Director

  • Michelle Scrooc, RD -Embryologist
    Michelle first started at USC in 1987. After a prolonged absence, she re-joined the program in 2002. She is an expert in all aspects of embryology and has particular expertise in micromanipulation.

  • Lorraine Paulson, MS -Embryologist
    Lorraine first started at USC in 1986, training and working as an embryologist through 1994. She took time off to raise her children and returned to USC in 2002. She has a Master's degree in reproductive biology from UC Davis, where she specialized in sperm physiology. She is a highly trained embryologist, performing both andrology and embryology procedures at USC Fertility.

  • Katie Rhodes-Long, MS -Embryologist
    Katie joined the USC Fertility team in 2015. She completed her Master’s program at Cal Poly San Luis Obispo researching embryonic metabolism and epigenetic changes that occur after cryopreservation. She is highly skilled in all aspects of gamete manipulation.