Vol. 19: Spring 2001
Prenatal Diagnosis
Timetable for Prenatal Diagnostic/Screening Procedures
| 10 - 13 weeks |
Chorionic villus sampling (CVS) |
| 10 - 14 weeks |
Early amniocentesis |
15 weeks - term
Optimum* 15 weeks - 20 1/2 weeks |
Standard amniocentesis |
15 - 21 weeks
Optimum** 16 weeks - 18 1/2 weeks |
Multiple marker screening
(MSAFP + additional markers) |
18 weeks - term
Optimum* 17 1/2 - 24 weeks |
Targeted ultrasound |
18 weeks- term
Optimum* 18 - 24 weeks |
Fetal echocardiography |
| 18 weeks - term |
Percutaneous umbilical blood sampling
(PUBS) |
*Optimum times for procedures are dependent on maternal habitus.
**Optimum times for serum tests are based on best times for neural tube defect detection. |
The Genetic Drift Newsletter is not copyrighted. Readers are free to duplicate all or parts of its contents. The Genetic Drift Newsletter is published semiannually by the Mountain States Regional Genetic Services Network for associates & those interested in Human Genetics. In accordance with accepted publication standards, we request acknowledgement in print of any article reproduced in another publication. The views expressed in the newsletter do not necessarily reflect local, state, or federal policy. For additional information, contact Carol Clericuzio, M.D., Editor, Department of Pediatrics, The University of New Mexico, Albuquerque, NM, 87131
Prenatal Diagnosis - Table of Contents
Introduction
Prenatal Diagnosis of Single Gene Disorders
Down Syndrome Maternal Serum Screening
Fetal Ultrasound
Amniocentesis
Chorionic Villus Sampling
Percutaneous Umbilical Blood Sampling
Preimplantation Genetic Diagnosis
The Future of Prenatal Diagnosis
TABLE: Timetable for Prenatal Diagnostic/Screening Procedures
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