Some unlucky women experience the onset of morning sickness earlier, at around 4 weeks, but on average women will start to experience the symptoms of morning sickness at week 6.

During pregnancy, you might have body aches, heartburn, itching and tingling.

For older women aged 35, infertility may come into question after 6 months

Some women feel ovulation as one-sided backache or a tender area. The condition, called mittelschmerz, may last anywhere from a few minutes to a few days.

With PCOS, women typically have high levels of androgens. These are sometimes called male hormones, though females also make them.

Hypothalamic amenorrhea occurs when the hypothalamus, a gland in the brain that regulates body processes, slows or stops releasing gonadotropin-releasing hormone (GnRH), the hormone that starts the menstrual cycle.