Amulets

Ank – Means “imperishable life force”. Protects from sickness, infertility, loss of psychic powers, and it grants immortality in the Otherworld.

Bull - To increase fertility in women and men, wear a bull shaped amulet, or place on under the bed before making love.

Crucifix - A crucifix can also be considered as a fertility amulet. This is because it points not only to conception, but also a higher power that creates life.

Deer - Represents sexuality and protects against infertility and sexual problems. Deer are sacred to Artemis (Diana), Cernunnos, and the Cailleach.

Dove - doves are believed to bring about a spirit of rest and sanctuary which is a necessary condition to help women become more fertile. 

Dragon - Guards against unhappiness, infertility, and loss of love. A protector, associated with both the water and fire elements.

Egg - Protective charm once taken very seriously as the cosmic or orphic egg in Greek myth – it is the origin of the universe. The egg is a symbol of fertility and birth. Pregnant mothers can wear an egg amulet to protect their baby, and those who wish to conceive can also use this charm.

Elephant - Buddha is said to be conceived when he entered his mother’s womb as a white elephant. Childless couples or those wishing to have more children should place elephant images in their bedroom to increase fertility luck. A set of seven elephants bring fertility luck to childless couples since the number seven represents children in Feng Shui.

Equal-Armed Cross - This preChristian cross was worn as a protective amulet for as far back as 4000 BCE. The most elaborate are carved into women giving birth, and these crosses were perhaps used as fertility, pregnancy and birth charms. 

Fish - An amulet shaped like a pair of fish and made of gold or mother of pearl will increase fertility and virility, bring prosperity and offer you protection from people you hate or who have evil intentions.

Goat - The symbol of the goat (sacred to Aphrodite and the Horned God) increases fertility when worn or carried as an amulet, and is especially favorable for those born under the sign of Capricorn. Guards against infertility.

Hand of Fatima - An upside-down hand with an eye in the centre of the palm. A common amulet found in the Muslim religion, but it originates from pagan times when the hand was a symbol of the Goddess, female sexuality, fertility, and of course still protection.

Laughing Buddha - with children climbing on him for fertility.
Lady Bug - If worn it absorbs your illness and takes it away. Also worn by women who wish to conceive, making the lady bug a fertility amulet.

Moon (Crescent) - In Egypt it was a symbol of Isis and was worn to protect mothers and children. In Rome women wore silver crescents in order to have healthy babies and to protect from witchcraft, delusions, hysteria and loss of love. The moon as an amulet is also associated with babies because the crescent moon is the New Moon – it is always representative of the waxing moon and so therefore fertility and creation. It is an ancient amulet of Goddess worship that has never stopped being used since Pagan times.

Rabbit - the rabbit produces a spirit ripe for conception and fertile minds and hearts. 

Ram - An amulet in the shape of a ram will increase fertility in women.

Sea Shell – Represents female sexuality, passions, fertility, birth, love, and the female genitals. 

Snake - Usually seen in healing and fertility rites. He is often considered a hunter.

Sparrow - Symbol of desire and fertility; manifests new love in someone’s life; understands the aspects of race; ability to use the power of song; understands all aspects of color.

Spiral -  Linked to the “circle”. Ancient symbol of the goddess, the womb, fertility, feminine serpent force, continual change, and the evolution of the universe.

Turtle - A very powerful symbol for women. It symbolizes fertility, long life, and perseverance. It is sometimes even considered able to defy death.

Unicorn - The unicorn is a ancient symbol of chastity and protection, and it’s fabled born was said to be used in medieval times as an amulet to detect poisons in the food or drinks of kings, queens, pontiffs and popes. To promote fertility or increase sexual magnetism, wear any type of amuletic jewelry shaped like a unicorn.

Crystals

Simply carry a stone in your pocket, purse, or briefcase, or place it on your desk or in your pillow case at night before sleep. As you place the stone or stones on or around you, form the intention or thoughts as to why you are using that rock. No matter what crystals you choose to use, just make sure that when you receive them, you sit with them for a bit and tell them what you would like assistance with—your intent. Be clear and precise.

If you don’t want to read through the whole list here is the basic jist of what stones are commonly said to be the best for fertility working. || Chrysoprase, imperial topaz, moonstone, rhodonite, rose quartz.

Fertility/Infertility

Bloodstone - Ease menstrual cramps and prevent miscarriage. 
Carnelian - excellent for increasing sexual desires between couples
Chrysoprase 
Citrine - said in folklore to promote success and abundance
Emerald
Grossularite
Moonstone - considered a very strong and healing stone for women who suffer from hormonal imbalances or are going through menopause. It has been associated with fertility and childbearing from ancient times. 
Pink Tourmaline
Purple Fluorite
Ruby - Thought to aide in male impotence. Helps prevent miscarriage, effective best if worn across the womb.
Rutilated Quarts - A strong conductor of healing energy.
Smithsonite
Spinel (Orange)
Tourmaline (Multicolor)
Zincite - Also helps with empty nest syndrome.

Conception

Moonstone - considered a very strong and healing stone for women who suffer from hormonal imbalances or are going through menopause. It has been associated with fertility and childbearing from ancient times.

Enhancing

Cinnabar 
Grossularite 
Jade (blue-green is best) - help the body to heal itself
Lapis Lazuli - said to help prevent miscarriage, effective best if worn across the womb.
Rose Quartz
Ruby - Thought to aide in male impotence. Helps prevent miscarriage, effective best if worn across the womb.
Thulite 

Fallopian Tubes

Chrysoprase 
Rhodonite 
Zoisite 

Deities

Not all, but just some of my favs, click the link to view a more comprehensive list.

Artemis (Greek) *equivalent to Diana
Bast (Egyptian)
Brigid (Celtic/Irish)
Cernunnos (Celtic)Diana (Roman) *equivalent to Artemis
Epona (Celtic)
Freyja (Norse)
Gaia (Greek)
Hera (Greek)
Ilithyia (Greek)
Isis (Egyptian)

Herbs & Foods

Herbs can be added to food and take internally to help promote fertility, or they can be introduced into sachets, as can acorns, myrtle and nuts. Carry a bagful of hazel nuts to ensure your own fertility. Men should carry a piece of mandrake root to ensure their won fertility and sexual prowess, while the jasmine flower does the same for women.

Banana
Basil
Beets - boost and extend fertility in women. Rich in folic acid, aid in DNA repair, and helps prevent birth defects. Prime detoxification food.
Carrot
Coconut Oil - known to increase sperm count and fertilityCorn
Cucumber
Ferns
Fig
Grape
Mustard
Nuts - Acorns, Hazelnut, Walnuts (specifically for infertility)
Olive
Palm Date
Peach
Pomegranate
Rice
Sunflower Seeds
Wheat

Vitamins/Herbs

Dong Quai – considered a female hormone regulator and an effective toner for the uterus. It should be taken in the first half of the cycle and in others the second half. 

Evening Primrose Oil – helps to increase fertile quality cervical fluid and also contains essential fatty acids which are good for the brain. You may take this EPO from menstruation to ovulation and switch to Flax Seed Oil after ovulation. Flax Seed Oil contains the fatty acids needed to maintain a healthy lifestyle. Evening Primrose Oil causes uterine contractions – which is why you should not take it after ovulation in the event that conception did occur.

False Unicorn- helps with ovarian pain and female infertility. You may take this herb in the first half of cycle from menstruation to ovulation.

Red Raspberry Leaf – You may take this herb during the entire cycle as it strengthens the uterine lining, thus helping to lengthen the luteal phase. 
Siberian ginseng, 100-300 mg standardized extract two times daily. Avoid it while menstruating or pregnant.

Vitamin B6, 50 mg daily -help to lengthen the luteal phase, but it helps ease the depression that sometimes accompanies PMS 

Vitamin B complex, one pill every morning with food. (B-50 complex with 400 mcg folic acid; 50 mcg vitamin B12 and biotin; and 50 mg all other B vitamins).

Vitamin C for Male Fertility - reduces sperm agglutination, increasing the fertility of men with this condition. The recommended dietary allowance (RDA) for vitamin C is 60 mg per day for an adult male. According to Dr. Dawson intake of 200 to 1000 mg per day had a beneficial effect on sperm.

Vitamin D - deficiency in Vitamin D is linked to female infertility.

Vitamin E for Male Fertility - a fat soluble antioxidant and will help improve the quality and motility of the sperm. 

Vitex (Chaste Berry)- helps to regulate hormones and should be taken either the entire cycle or the first half from menstruation to ovulation.

Copper / Zinc, 2 mg copper and 30 mg zinc daily. Use zinc for at least one month before adding copper.

Other

Hazel Tree - traditional symbol of fertility for the Celts

Maypole - the maypole is a phallic symbol, often seen on Beltane or May Day. Dance around it to promote fertility. 

Oak Tree - more superior Irish symbols for fertility for its strength and stability. 

Pine Tree - prime Irish symbol for fertility. All parts of the pine tree were jettisoned as a fertility symbol, including the pinecones and pine nuts.

Gathered from many sources.