A Little on LARCs--"the major postfertilization effect is destruction of the early embryo in the fallopian tube, in the same way that the major prefertilization effect is likely to be destruction of sperm and ova. For the copper IUD, this embryocidal effect may be more a result of inflammation and direct toxicity, whereas with the progestin IUDs it may result more from inhibition of transport through the fallopian tube, along with prevention of implantation.”
The IUD is a form on inserted or planted contraception that continuously releases progestin that prevents pregnancy. It has a 99% perfect use rate. The pros of using the iud are the most long lasting and effective form of birth control and low doses of hormones so there are fewer side effects. The cons of the iud are, it is a painful and invasive operation, initial menstrual cycles may be heavier, longer and more cramping.
IUD IUD stands for intrauterine device, a T-shaped piece of plastic that is placed inside the uterus by a doctor. The copper IUD, ParaGard, works for as long as 12 years. The hormonal IUD, Mirena, must be replaced after 5 years. Both types make it more difficult for sperm to fertilize the egg. Fewer than eight in 1,000 women get pregnant. Pros: Long-lasting, low-maintenance. Cons: Irregular or heavier periods. More expensive upfront, may slip out, may cause side effects.