Kama Sutra

Both.

Yes! Fertility awareness is a birth control
method that involves counting your days and
avoiding sex when most fertile.
"12-24 out of 100 couples who use FAMs will get pregnant each year, depending on which method(s) are used." (Planned Parenthood)

The rapid pleasurable release of neuromuscular tensions at the height of sexual arousal that is usually accompanied by the ejaculation of semen in people with penises and by vaginal contractions in people with vaginas

It originated as a prescription to treat hysteria. In the 1880s, clitoral stimulation was used by doctors to treat women with "hysteria" a vague term used a as a catch-all diagnosis for women with symptoms including fainting and nervousness. The vibrator was invented to provide clitoral stimulation without doctors having to actually touch their patients.

11

The vulva is the external part of genitalia. It includes the clitoris, the labia, and the opening of the vagina.
The vagina is the tube between the vulva and the cervix.

Plan B is an oral contraceptive you can take
after intercourse when no other contraceptive was
used, or when what was used didn't work. Plan B
decreases the risk for pregnancy by almost 90%.

20 seconds! Compared to only 6 seconds for someone with a penis.

Invisible ink

So they don’t strike each other when their owner is moving.

40%

"According to some studies, 18-year-old males have a refractory period of about 15 minutes, while those in their 70s take about 20 hours, with the average for all men being about half an hour." (Wikipedia)