The Demopaedia team will be present at the next International Population Conference in Busan.
If you attend the conference, please, come to our oral communication which will be held on Tuesday August 27, from 15:30 to 17:00 (Bexco, room 213). The new Korean dictionary will also be presented in a side meeting organized by the Planned Population Federation of Korea (PPFK) on "Population Issues & Official development assistance" (open to all) at 19:00 (Bexco, room 110).

Multilingual Demographic Dictionary, second unified edition, English volume

Conception delay

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Conception delay  (CONCEPTION delay)


In computing the period of exposure to the risk of conception 1 it is necessary to consider pregnancy intervals 2. The interval between marriage and the first pregnancy is the conception delay 3 or first pregnancy interval 3. The period between the end of one pregnancy and the beginning of the next is the inter-pregnancy interval 4. If the time when the woman had no sexual activity is subtracted, a net inter-pregnancy interval 5 is obtained. The period between the end of the last pregnancy and the date of a survey is called an open inter-pregnancy interval 6. More...



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