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It is uncertain whether ICSI improves live birth rates or reduces the risk of miscarriage compared with ultra‐high magnification (IMSI) sperm selection. [30] A systematic meta-analysis of 24 estimates of DNA damage based on a variety of techniques concluded that sperm DNA damage negatively affects clinical pregnancy following ICSI. [31]
Pregnancy rate is the success rate for getting pregnant.It is the percentage of all attempts that leads to pregnancy, with attempts generally referring to menstrual cycles where insemination or any artificial equivalent is used, which may be simple artificial insemination (AI) or AI with additional in vitro fertilization (IVF).
The spermatozoon is selected at higher magnification; the aim of this is to improve the chance of pregnancy. The use of high magnification for morphological sperm selection prior to ICSI has been associated with higher pregnancy rates and lower miscarriage rate.
When pregnancy is desired, the eggs can be thawed, fertilized, and transferred to the uterus as embryos. The procedure's success rate varies depending on factors such as the individual's age (with higher odds of success in younger individuals), overall health, and genetic factors. The first human birth of oocyte cryopreservation was reported in ...
The United Nations Population Division, part of the DESA - Department of Economic and Social Affairs, [20] ranking list is based on the forecast/prediction for the years 2015-2020 and 2020-2025. [21] [22] Only countries/territories with a population of 100,000 or more in 2019 are included. Rankings are based on the 2015–2020 and 2020-2025 ...
Low birth weight. [19] In IVF and ICSI, a risk factor is the decreased expression of proteins in energy metabolism; Ferritin light chain and ATP5A1. [20] Preterm birth. Low birth weight and preterm birth are strongly associated with many health problems, such as visual impairment and cerebral palsy. Children born after IVF are roughly twice as ...
A Cochrane review found that hCG or progesterone given during the luteal phase may be associated with higher rates of live birth or ongoing pregnancy, but that the evidence is not conclusive. [68] Co-treatment with GnRH agonists appears to improve outcomes, [68] by a live birth rate RD of +16% (95% confidence interval +10 to +22%). [69]
The Pearl Index, also called the Pearl rate, is the most common technique used in clinical trials for reporting the effectiveness of a birth control method. It is a very approximate measure of the number of unintended pregnancies in 100 woman-years of exposure that is simple to calculate, but has a number of methodological deficiencies.