Natural methods of birth control??​

These are used each time you have sex and include condoms, diaphragms, sponges, and cervical caps. Rhythm method. This natural birth control method is based on ovulation cycle. This involves abstaining from sex on the days when you're most fertile and most likely to become pregnant.

Natural methods of birth control do not rely on the use of hormones or devices. These methods include Fertility Awareness Based Methods (FABMs), Lactational Amenorrhoea Method (LAM) and withdrawal.

which ever one is showing doing the same exercise in time intervals such as 30 seconds or a minute several times.