By four months, a baby should have developed the neck strength to hold his or her head unsupported, to stick his or her hands in the mouth, perhaps sucking on fingers, and to watch things move with his or her eyes.

Your baby’s bowel movements will tell you a lot about their health, their diet, and how their stomach is doing. In order to detect when something is up, you will need to pay close attention to the daily occurrences and patterns. The color, consistency, and frequency are all important factors. Any sudden changes or inconsistency with their bowel movements may indicate illness. However, just making mental or written notes is usually enough. No samples are needed unless requested by your pediatrician.

As your pregnancy progresses and your baby grows, your body will produce more urine but your bladder will shrink. Even when your bladder is empty, the pressure on it can make it feel full.

Our ability to naturally conceive a child ends about 10 years before menopause.

Chronic infections in the cervix can also reduce the amount or quality of cervical mucus, the sticky or slippery substance that collects on the cervix and in the vagina. Reduced amount or quality of cervical mucus can make it difficult for women to get pregnant.

While the follicle is developing, the cells around the egg produce the female hormone-estrogen. Each month oestrogen causes the lining of the uterus to grow and prepares the lining of the uterus (womb) to receive the fertilized egg.