By 18 months, babies should have a simple imagination, and be able to play independently with toys, mimicking behaviors they are accustomed to, such as feeding dolls, playing with pretend kitchens or food, or playing with pretend animals.

No children under 2 years of age should be given cold medications. These medications can be life threatening for children who are too young to take them. Other at home methods, such as saline sprays, nasal suctioning, or ibuprofen can help relieve symptoms.

Changes in your cervical mucus can signal when you are fertile. After your period has finished, your cervical mucus gradually increases in amount and changes in texture. This change reflects the rising levels of the hormone oestrogen in your body. It also shows you are close to ovulating.

PCOS is a leading cause of infertility in women

Blocked or damaged fallopian tubes prevent eggs from getting to the uterus and sperm from getting to the egg. Leading causes include pelvic inflammatory disease, sexually transmitted diseases such as chlamydia, and previous sterilization surgery.

Retrograde ejaculation may cause infertility. However, semen can often be removed from the bladder and used during assistive reproductive techniques to achieve a pregnancy.