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Recurrent IVF failure is a much more broad term and includes all repeated failures to get pregnant from IVF. Repeated implantation failure specifically refers to those failures due to unsuccessful implanting to the uterus wall. [1] An unsuccessful implantation can result from problems with the mother or with the embryo.
Infertility is "a disease of the reproductive system defined by the failure to achieve a clinical pregnancy after 12 months or more of regular unprotected sexual intercourse (and there is no other reason, such as breastfeeding or postpartum amenorrhoea). Primary infertility is infertility in a couple who have never had a child.
On the other hand, in women who have had previous unsuccessful treatment, IVF achieves a live birth rate approximately 2–3 times greater than ovarian stimulation combined with IUI. [8] IUI and ICI has higher pregnancy rates when combined with ovarian stimulation in couples with unexplained infertility, for IUI being 13% unstimulated and 15% ...
Pre-existing disease in pregnancy, or an acquired disease: A disease and condition not necessarily directly caused by the pregnancy. Diabetes mellitus in pregnancy; Lupus in pregnancy; Thyroid disease in pregnancy; Risks arising from previous pregnancies: Complications experienced during a previous pregnancy are more likely to recur. [64] [65]
Pelvic inflammatory disease (PID, usually due to chlamydia) [44] Tubal dysfunction; Previous ectopic pregnancy. A randomized study in 2013 came to the result that the rates of intrauterine pregnancy two years after treatment of ectopic pregnancy are approximately 64% with radical surgery, 67% with medication, and 70% with conservative surgery. [45]
A specially designed catheter may be used to insert specially washed sperm directly into the uterus for intrauterine inseminations (IUI). The procedure is normally carried out by a physician and has a better pregnancy rate than ICI insemination. This method is commonly offered by fertility clinics using donor sperm because the increased ...
It was found that PZD led to a significantly higher rate of pregnancy (40.7% vs 15.4%), ongoing pregnancy (35.6% vs 11.5%), and implantation (18.1% vs 5.7%) than ZD. This suggests that using the mechanical method of PZD in blastomere biopsies for preimplantation genetic diagnosis may be more proficient than using the chemical method of ZD.
Along with placenta previa and uterine rupture it is one of the most common causes of vaginal bleeding in the later part of pregnancy. [6] Placental abruption is the reason for about 15% of infant deaths around the time of birth. [2] The condition was described at least as early as 1664. [7]