The most frequently used method of confining a mare for palpation or pregnancy test is the Stocks.
I believe it is the archival method.
Abstaining from vaginal sex is an all-natural method of avoiding pregnancy.
Correlation method is to examine relationships between variables.Ex: Findings show that a correlation, between optimism and better psychological adjustment among cancer patients.Ex2: Smoking during pregnancy is correlated, unfortunately, with increased risk of sudden infant death syndrome (SIDS) in babies.
A CT scan or an MRI
It is said that one can avoid pregnancy with the natural method, which is breastfeeding. A nursing mother would have to be breastfeeding exclusively for this method of contraception to work.
It is called the Socratic method.
A Peer Review
Different methods to prevent pregnancy.
It is called the Socratic method.
A Peer Review
The possibility to examine and interpret natural phenomena.
Peer review.