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What may be the cause of recurrent biochemical miscarriages?

By Marta Barranquero Gómez B.Sc., M.Sc. (embryologist).
Last Update: 05/05/2025

Biochemical abortion, biochemical pregnancy or microabortion is a fairly early gestational loss. Implantation of the embryo occurs, but the embryo stops developing soon after. When this happens, the woman experiences bleeding similar to menstruation, which is often confused.

Among the possible causes of biochemical abortion are the following:

  • Genetic alterations in embryos.
  • Malformations in the uterus.
  • Hormonal alterations.
  • Infections of the female reproductive tract.

In addition, an inappropriate lifestyle, such as smoking or drinking alcohol, can also be a reason for microabortion.

 Marta Barranquero Gómez
Marta Barranquero Gómez
B.Sc., M.Sc.
Embryologist
Graduated in Biochemistry and Biomedical Sciences by the University of Valencia (UV) and specialized in Assisted Reproduction by the University of Alcalá de Henares (UAH) in collaboration with Ginefiv and in Clinical Genetics by the University of Alcalá de Henares (UAH).
License: 3316-CV
Embryologist. Graduated in Biochemistry and Biomedical Sciences by the University of Valencia (UV) and specialized in Assisted Reproduction by the University of Alcalá de Henares (UAH) in collaboration with Ginefiv and in Clinical Genetics by the University of Alcalá de Henares (UAH). License: 3316-CV.