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Or, if pregnancy occurred, they could return later for another pregnancy. Spare oocytes or embryos resulting from fertility treatments may be used for oocyte donation or embryo donation to another woman or couple, and embryos may be created, frozen and stored specifically for transfer and donation by using donor eggs and sperm.
If an embryo transfer has occurred and pregnancy results, the symptoms may persist for several weeks. Doctors reduce the likelihood of OHSS occurring by decreasing the doses of gonadotropins (FSH) administered, using a GnRH agonist trigger (instead of an hCG trigger), and freezing all embryos for transfer rather than conducting a fresh embryo ...
New research has linked the use of frozen embryos in IVF to high blood pressure pregnancy complications like preeclampsia. .
Conceiving a baby using a frozen embryo may raise the mother’s risk of high blood pressure disorders by up to 74%, new research suggests. The findings, published in the journal Hypertension also ...
A blighted ovum is a pregnancy in which the embryo is reabsorbed or never develops at all. [1] In a normal pregnancy, an embryo would be visible on an ultrasound by six weeks after the woman's last menstrual period. [2] Anembryonic gestation is one of the causes of miscarriage of a pregnancy and accounts for roughly half of first-trimester ...
The Alabama Supreme Court ruled on Feb. 16 that frozen embryos can be considered “children” under state law, which was swiftly followed by multiple fertility centers, including the University ...
Embryo transfer refers to a step in the process of assisted reproduction in which embryos are placed into the uterus of a female with the intent to establish a pregnancy.This technique - which is often used in connection with in vitro fertilization (IVF) - may be used in humans or in other animals, in which situations and goals may vary.
Oklahoma couple Philip and Rachel Ridgeway welcomed twins Lydia and Timothy on Oct. 31, using embryos frozen 30 years ago.