Please choose the correct ending to complete the given sentence: Health: [header] How to prevent pregnancy without hormones [title] Protect against pregnancy and stds with condoms. [step] Condoms are an inexpensive, easy to use way to prevent pregnancy. They collect the male partner's ejaculate so that it can't fertilize the egg.

Ending1: They can be up to 98% effective when used properly. As an added bonus, they also protect both parties from sexually-transmitted diseases (stds). Ending2: The male partner goes directly from his conception through semen, and sperm are merged during an egg-balancer's average penetration to give the sperm a maximum number of batches. [substeps] In the rare case of your partner using condoms, they have to stop. Ending3: If your partner uses one, put it behind them instead or put it in the pants pocket. A condom doesn't guarantee that you will have sperm, but if you have unprotected sex then you can prevent stds in the future by using a professional protection device. Ending4: While they protect you from pregnancy, they quickly produce both the egg and the egg. Both can be found online by looking in a fertility studies support section of health food product websites and in the lower half of major major grocery stores.

Answer format: ending1/ending2/ending3/ending4