Innovations in Biotechnology and Medical Sciences

IVF of White Rhinos

Note4Students

From UPSC perspective, the following things are important :

Prelims level: In-vitro fertilization, White Rhinos

Mains level: Ethical issues surrounding IVF

Researchers had created another embryo — the third — of the nearly extinct northern white rhino. This is seen as a remarkable success in an ongoing global mission to keep the species from going extinct.

What is IVF?

  • IVF is a type of assisted reproductive technology used for infertility treatment and gestational surrogacy.
  • A fertilised egg may be implanted into a surrogate’s uterus, and the resulting child is genetically unrelated to the surrogate.
  • Some countries have banned or otherwise regulate the availability of IVF treatment, giving rise to fertility tourism.
  • Restrictions on the availability of IVF include costs and age, in order for a woman to carry a healthy pregnancy to term.
  • IVF is generally not used until less invasive or expensive options have failed or been determined unlikely to work.

IVF process

  • In vitro fertilisation (IVF) is a process of fertilization where an egg is combined with sperm outside the body, in vitro (“in glass”).
  • The process involves monitoring and stimulating a female ovulatory process, removing an ovum or ova (egg or eggs) from the female ovaries and letting sperm fertilise them in a liquid in a laboratory.
  • After the fertilised egg (zygote) undergoes embryo culture for 2–6 days, it is implanted in the same or another female uterus, with the intention of establishing a successful pregnancy.

Types of Rhinos

  • The northern white is one of the two subspecies of the white (or square-lipped) rhinoceros, which once roamed several African countries south of the Sahara.
  • The other subspecies, the southern white is, by contrast, the most numerous subspecies of rhino, and is found primarily in South Africa.
  • There is also the black (or hook-lipped) rhinoceros in Africa, which too, is fighting for survival, and at least three of whose subspecies are already extinct.
  • The Indian rhinoceros is different from its African cousins, most prominently in that it has only one horn.
  • There is also a Javan rhino, which too, has one horn, and a Sumatran rhino which, like the African rhinos, has two horns.

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