NFP History - Timeline

Ebers Medical Papyrus-1550 BC- was found in an Egyptian tomb in 1875

1573- Coiter- discovered corpus luteum

1667- Copenhagen- proposed ovary used instead of female testicle

1672- De Graafe- first described ovarian follicle (in rabbits), mature follicle now called Graafian

1677-Leeuwenhoek- first sperm under microscope "seminal animalcules"

1686- Malpighi- labeled corpus luteum

1826(7)-Von Baer- discovered ovum (mammalian egg), called sperm "spermatozoa"

1929 -Van de Velde - 1st associated biphasic temp. curve with increased progesterone, correlated BBT to ovulation and higher temp curve with increased progesterone

1923-1928 (Ogino) 1929(Knaus)-Discovered relationship of ovulation within menstrual cycle separate from each other -developed calendar formulas by determining that ovulation takes place during a fixed time period

2017-Ogino-First calendar method

1935-Hildebrand- German priest, first charted BBT curves (used Van de Velde's work)-created the first BBT and calendar-thermic method

1940- Vollman-BBT work/development,

1978- Vollman- work published on statistical parameters of menstrual cycle

1951- Roetzer- combined BBT with CM (sympto-thermal)

1952- Cohen- first described principals of biological valve

1959- Odeblad- started studies of biophysical CM properties

1900 BC- Kahun Gynecological Papyrus-Written by an anonymous Egyptian author in about 1900 BC was found in April 1889.

2017- A historical outline of physiological family planning; Written by Paul Thyma.

1561- Gabrielle Fallopio- first described oviducts, later named Fallopian tubes

1962- Keefe- first published work on the changes in cervix (cervial os) around ovulation

1968-Marshall- first prospective study/field trial of an NFP method (BBT method)

1964- Billings- first described ovulation method-CM method can be used to avoid or achieve

1972- Billings- introduced Ovulation Method to USA

1983-Odeblad- Odeblad joined Billings

1968- Pope Paul VI- writes Humanae Vitae

1971-Kippley- introduces Couple to Couple League with symptom-thermal method

1976-Hilgers- began work on eval of Billings Method

1977- Higers- standardized CM observations, at presentation Vollman came running down aisle

1980-1983- Hilgers- joined efforts with Billings

1991- Higers- introduced NaProTECHNOLOGY

1904- Van de Velde- the first to point out the relationship between the wave-like fluctuations of the BBT and ovulation (1904)

500-400 BC- Vishnu (Hindu)- said ovulation was after the menses

500 BC -Taoism (Chinese)- said ovulation was 5 days after menses

900-500 BC- Manu Code (hindu)- saiid ovulation was the first 16 nights

900-800 BC- Leviticus (jewish)- said ovulation was on 12th evening

460-377 BC- Hippocrates- -said best time to achieve is when Intercourse at the beginning of menses or at its end; The best time is when the menses has stopped

384-322 BC- Aristotle- Said fertile when on digital exam, if the lips are somewhat rough and adherent and likewise thin

22-79 AD- Pliny the Elder (Italian Lawyer)- When menstruation is beginning or ceasing

129-200 AD-Galen (Roman physician and medical Practitioner to 5 emperors)- Fertile at the beginning or the end of menses

1930- Smulders- Ogino-Smulders method

1930- Knaus- Knaus Method

1977- Hilgers- Standardization of the vulvar mucus sign

1932- Latz- "The Rhythm Method"

1940- Vollman- Other calendar-thermic methods

1947- Ferin- Other calendar-thermic methods

1949- Doring- Other calendar-thermic methods

1964- Billings- First described the ovulation method

1653- William Harvey- Conception is "indeed a dark, obscure business"

1637-1709- Francois Mauriceau (French OB/GYN)- Conception may take place at anytime Menstruation is a physiological process which is independent of the development and ripening of the ovarian follicle

1875- John Williams- Menstruation is the result of periodic changes that occurred in the lining of the uterus (cycle of changes)

1909-Boucin & Ancel- The corpus luteum prepares the uterus for (nidation) implantation of the tiny embryo -The secretory phase of the endometrium lasted about 13 days

1765- Albert von Haller- First described corpus lute as the transformation of the ruptured follicle

1840- Barry- first described passage of sperm through zone pellucida

1901- Born- corpus lute was a gland of internal secretion

Some event happened