superovulation

superovulation /su·per·ov·u·la·tion/ (ov″u-la´shun) extraordinary acceleration of ovulation, producing a greater than normal number of oocytes.

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superovulation

production of more than one ovum at ovulation.

1. Planned production of a number of ova from the one cow at the same ovulation period is an essential part of the technique of bovine embryo transfer. Can be effected with a single injection of PMSG or for better results, with FSH and LH in a 5:1 ratio, twice daily for 5 days. Called also multiple ovulation.

2. Can occur accidentally when cows are treated with large doses of FSH as a treatment for no visible estrus.

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superovulation

Reproduction medicine Hyperstimulation of the ovaries with gonadotropins to drive development of dominant follicles; SO is commonly used in couples with unexplained or male-factor infertility. See Artificial reproductive technology.