ART use has increased dramatically worldwide, making pregnancy possible for many infertile couples. In 2014, 208,786 ART procedures resulted in 57,332 live births. In 2014, 78% of ART infants were singletons
IVF combines egg and sperm in laboratory dish to create embryos. ART cycles increased 44% in US over past six years. About 2% of babies born using ART
IVF is a complex procedure leading to pregnancy through egg and embryo transfer. Treatment takes about 2-3 weeks per cycle. Can be done using own eggs/sperm or donor materials
IVF helps individuals or couples get pregnant through multiple steps. Fertility drugs stimulate ovaries to produce multiple eggs. Eggs are retrieved from ovaries and fertilized in laboratory. Fertilized embryos are transferred to uterus for pregnancy
Embryo transfer places embryos into uterus for pregnancy establishment. Transfer can occur at day 2-3 or blastocyst stage (day 5-6). Success depends on endometrial receptivity and embryo quality
Estrus cycle lasts approximately 21 days. Mares show receptivity through tail raising and urination. Fertile period is 3-7 days during estrus cycle. Hormones like estrogen and progesterone regulate mating