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  2. Sexual reproduction - Wikipedia

    en.wikipedia.org/wiki/Sexual_reproduction

    The first fossilized evidence of sexual reproduction in eukaryotes is from the Stenian period, about 1.05 billion years old. [19] [20]Biologists studying evolution propose several explanations for the development of sexual reproduction and its maintenance.

  3. Fertility - Wikipedia

    en.wikipedia.org/wiki/Fertility

    Fertility in colloquial terms refers the ability to have offspring. In demographic contexts, fertility refers to the actual production of offspring, rather than the physical capability to reproduce, which is termed fecundity. [1] [2] [3] The fertility rate is the average number of

  4. Assisted reproductive technology - Wikipedia

    en.wikipedia.org/wiki/Assisted_reproductive...

    As a result of the 1992 Fertility Clinic Success Rate and Certification Act, the CDC is required to publish the annual ART success rates at U.S. fertility clinics. [29] Assisted reproductive technology procedures performed in the U.S. has over than doubled over the last 10 years, with 140,000 procedures in 2006, [30] resulting in 55,000 births ...

  5. Fertility testing - Wikipedia

    en.wikipedia.org/wiki/Fertility_testing

    A fertility monitor is an electronic device which may use various methods to assist the user with fertility awareness. A fertility monitor may analyze changes in hormone levels in urine , basal body temperature , electrical resistance of saliva and vaginal fluids, or a combination of these methods.

  6. Reproductive biology - Wikipedia

    en.wikipedia.org/wiki/Reproductive_biology

    Human reproductive biology is primarily controlled through hormones, which send signals to the human reproductive structures to influence growth and maturation.These hormones are secreted by endocrine glands, and spread to different tissues in the human body.

  7. Sexual and reproductive health - Wikipedia

    en.wikipedia.org/wiki/Sexual_and_reproductive_health

    [105] In Mozambique, despite efforts in improving access to modern contraceptive methods, the general fertility rate is "still high at 5.3 and the unmet need for contraceptives is also high at 26%." Among young women, the fertility rate has dramatically increased from 167 births per 1000 aged between (15–19 years) in 2011 to 194 in 2015 with ...

  8. Reproductive endocrinology and infertility - Wikipedia

    en.wikipedia.org/wiki/Reproductive_endocrinology...

    Reproductive Biology and Endocrinology (RB&E) is an online open access journal published by BioMed Central. [7] It deals with both veterinary and human reproductive medicine. Fertility and Sterility is a monthly journal from the American Society for Reproductive Medicine

  9. Pregnancy rate - Wikipedia

    en.wikipedia.org/wiki/Pregnancy_rate

    Pregnancy rate is the success rate for getting pregnant.It is the percentage of all attempts that leads to pregnancy, with attempts generally referring to menstrual cycles where insemination or any artificial equivalent is used, which may be simple artificial insemination (AI) or AI with additional in vitro fertilization (IVF).