What happens during  in vitro fertilization may differ slightly from clinic, but a typical  treatment follows the main steps described on this article.

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Around the time your partner’s eggs are collected, you’ll be asked to produce a fresh sperm sample. The sperm are washed and spun at a high speed so the healthiest and most active sperm can be selected. If you’re using donated sperm, it’s thawed before being prepared in the same way.