Embryo loss

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Embryo loss (also known as embryo death or embryo resorption) is the death of an embryo at any stage of its development which in humans, is between the fifth and tenth week of gestation.[1] Failed development of an embryo often results in the disintegration and assimilation of its tissue in the uterus. Loss during the early stages of prenatal development of the fetus results in the similar process of fetal resorption.[2] Embryo loss often happens without an awareness of pregnancy, and an estimated 40 to 60% of all embryos do not survive.[3]

Fertility clinics

Within fertility clinics embryo loss is associated with a high number of implanted embryos.[4] The keeping of embryos in tanks can also increase risks of loss in instances where technical malfunctions can occur.[5]

See also


  1. ^ "Embryo Loss - MeSH - NCBI". www.ncbi.nlm.nih.gov. Retrieved 26 June 2020.
  2. ^ "Fetal Resorption - MeSH - NCBI". www.ncbi.nlm.nih.gov.
  3. ^ Jarvis, GE (2016). "Early embryo mortality in natural human reproduction: What the data say". F1000Research. 5: 2765. doi:10.12688/f1000research.8937.2. PMC 5443340. PMID 28580126.
  4. ^ Kovalevsky, George; Patrizio, Pasquale (1 September 2002). "Embryo loss in assisted reproductive technologies (ART)". Fertility and Sterility. 78: S256. doi:10.1016/S0015-0282(02)04088-8.
  5. ^ Kaye, Randi; Nedelman, Michael (May 12, 2018). "'Our future children': Families speak after loss of frozen embryos in tank failure". CNN. Retrieved 2020-06-26.

Further reading