Test tube baby. A test tube baby is a layman's term for a baby conceived using in vitro fertilization.
Family practice. When you take an egg from a woman and sperm from man. They can be put together in a test tube for fertilization. The fertilized egg can then be frozen for later implantation this is usually done when a woman is having a difficult time getting pregnant.
Baby from IVF. This is a child that is conceived in a lab from the combination of genetic material from the mother and the father. The resulting egg is then re-implanted back into the mother's womb.
Derogatory term. This is a slang/ derogatory term for pregnancies from assisted reproductive technology.
About 45 w/ own eggs. With your own eggs ivf success rates are falling in the early 40's and are low at age 45 - about a 1% chance of success, or less. Some ivf clinics have lower age limits such as age 43 with your own eggs. With egg donation there is probably no biological upper age limit. .. Clinics will set their own cutoffs such as up to age 50 or up to age 54.