Knai fogamzsnaptr
A tblzat adatai egy XIII. szzadi knai tuds megfigyelsein nyugszanak. Szerinte egy tetszlegesen kivlasztott ni ciklus sorn csupn az egyik nem magzat fogantatsa lehetsges.
Pldul: Ha az anya 22 ves, szeptemberben csakis lny gyermeke foganhat.
A tblzat tallati arnyt 67 s 99% kz teszik.
| A fogamzs |
|
Az anya letkora |
|
| hnapja |
|
|
|
| |
18 |
19 |
20 |
21 |
22 |
23 |
24 |
25 |
26 |
27 |
28 |
29 |
30 |
31 |
32 |
33 |
34 |
35 |
36 |
37 |
38 |
39 |
40 |
41 |
42 |
43 |
44 |
45 |
| Janur |
|
L |
F |
L |
F |
L |
F |
F |
L |
F |
L |
F |
L |
F |
F |
F |
L |
F |
F |
L |
F |
L |
F |
L |
F |
L |
F |
F |
L |
| Februr |
|
F |
L |
F |
L |
F |
F |
L |
F |
L |
F |
L |
F |
L |
L |
L |
F |
L |
F |
F |
L |
F |
L |
F |
L |
F |
L |
F |
F |
| Mrcius |
|
L |
F |
L |
L |
F |
L |
F |
F |
F |
L |
F |
L |
L |
F |
F |
F |
F |
L |
F |
F |
L |
F |
L |
F |
L |
F |
L |
F |
| prilis |
|
F |
L |
F |
L |
L |
F |
F |
L |
L |
F |
L |
L |
L |
L |
L |
F |
L |
F |
L |
F |
F |
F |
F |
L |
F |
L |
F |
L |
| Mjus |
|
F |
L |
F |
L |
F |
F |
L |
L |
L |
L |
L |
F |
L |
L |
L |
L |
L |
L |
F |
L |
F |
F |
L |
F |
L |
F |
F |
L |
| Jnius |
|
F |
F |
F |
L |
L |
L |
F |
F |
F |
L |
L |
F |
L |
L |
L |
L |
L |
L |
L |
F |
L |
L |
F |
L |
F |
L |
F |
L |
| Jlius |
|
F |
F |
F |
L |
L |
F |
F |
L |
L |
F |
F |
F |
L |
L |
L |
L |
L |
L |
L |
L |
F |
L |
F |
F |
L |
F |
L |
F |
| Augusztus |
F |
F |
F |
L |
F |
L |
L |
F |
F |
F |
F |
F |
L |
L |
L |
F |
L |
F |
L |
F |
L |
F |
L |
F |
F |
L |
F |
L |
| Szeptember |
F |
F |
F |
L |
L |
F |
L |
F |
L |
F |
F |
F |
L |
L |
L |
L |
L |
L |
F |
L |
F |
L |
F |
L |
F |
F |
L |
F |
| Oktber |
|
F |
F |
L |
L |
L |
F |
L |
F |
L |
F |
F |
L |
L |
L |
L |
L |
L |
L |
F |
F |
L |
F |
L |
F |
L |
F |
F |
L |
| November |
F |
L |
F |
L |
L |
F |
L |
F |
L |
L |
L |
L |
F |
L |
L |
L |
F |
F |
F |
L |
F |
L |
F |
L |
F |
F |
L |
F |
| December |
F |
L |
F |
L |
L |
L |
L |
F |
L |
L |
L |
L |
F |
F |
F |
F |
F |
F |
F |
F |
L |
L |
L |
F |
L |
F |
L |
F |
|