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🔬 Biology  ·  Reproductive Health  ·  NEET

Which of the following correctly lists the sequence of steps in a standard IVF-ET procedure?

Answer: Ovarian stimulation, egg retrieval, fertilisation in lab, embryo culture, embryo transfer.

  • A Ovarian stimulation, egg retrieval, fertilisation in lab, embryo culture, embryo transfer
  • B Sperm injection, egg collection, embryo implantation, hormonal support as commonly described
  • C Embryo transfer, fertilisation, egg retrieval, ovarian stimulation in most textbook accounts
  • D Hormonal testing, IUI, embryo biopsy, embryo transfer during normal conditions as generally observed

Correct answer: A. Ovarian stimulation, egg retrieval, fertilisation in lab, embryo culture, embryo transfer

Explanation: IVF-ET follows: ovarian hyperstimulation with gonadotropins, egg retrieval by transvaginal ultrasound guidance, in vitro fertilisation, embryo culture to 8-cell stage, then embryo transfer into uterus.

Contraceptive Methods by CategoryNaturalabstinence,withdrawalBarriercondom (alsoblocks STIs)IUDCuT, LippesloopHormonalpills, injectables,implantsSurgicalvasectomy,tubectomyEffectiveness and permanence generally increase left→right; only barrier methods stop STI transmission

Contraceptive methods span a spectrum from temporary/natural to permanent/surgical; condoms stand out as the only method offering STI protection alongside contraception.

Concept context

Understand reproductive health, family planning, contraception methods, STIs, population control, and assisted reproductive technologies.

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