In methods of contraception,

Lactational Amenorrhea method- It is based on fact that ovulation and refore menstrual cycle do not occur during period of intense lactation following parturition. As a result chances of conception are almost nil as long as mor lactates fully.

• The test-tube baby is developed by fertilization of egg and sperm in in-vitro conditions. 
• Laparoscopy is technique in which a tube with a camera attached is used to locate position of egg. 
• When fertilized egg is transplanted into mor's womb, technique is used to observe egg and its position. 
• The technique can also be used to monitor zygote development to form embryo. 

Ovum from donor female and sperm from donor male are fertilized in laboratory. The zygote or early embryo (upto 8 blastomeres stage) n transferred to fallopian tube called zygote intra fallopian transfer or ZIFT. So, correct answer is 'Zygote into fallopian tube'.

In vitro fertilization is fertilization outside body in similar conditions as that in body is method in which sperm from male and ovum from female are collected and are induced to form zygote or early embryo with up to 8 blastomeres could n be transferred into a fallopian tube.

Aspirin is drug used to treat fever, inflammation and pain. According to new researchers, it is said that aspirins in low doses are involved for purpose of increasing chances of conception. It thickens uterus, reduces inflammation in cells. It also boosts blood flow and promotes chances of conception. So, correct option is B.

A. Oligospermia is disease of low sperm count during ejaculation. It is caused due to alcohol consumption, exposure to chemicals, weight problem.

a. The causative agent of Gonorrhea is Neisseria gonorrhoeae.

Chlamydia is a common sexually transmitted infection, that can be passed on through sex without a condom with someone chlamydia (even if y don't have symptoms), or from a pregnant woman to her unborn baby. It can be prevented by using male or female condoms during sex. A simple urine test will show wher you have chlamydia. Chlamydia is easily treatable with antibiotics.